Nitric Oxide Crisis

February 26, 2025  •  EPISODE 254

Have you heard of nitric oxide and do you know why it matters? Learn more in this episode of Science LIVE as Roger Billings takes us back to 1972 and the General Motors Urban Vehicle Design Competition. Discover how he tackled the challenge of nitric oxide emissions and why his hydrogen-powered car had a cleaner exhaust than even the electric entries—with zero emissions!

About DrB

Dr. Roger Billings is a visionary innovator whose work has touched the lives of millions of students and transformed the landscape of education. Widely known as “DrB” to the countless kids who benefit from his groundbreaking Acellus learning system, Dr. Billings has dedicated his life to advancing education through technology. As part of DrB’s lifelong commitment to supporting education, Science LIVE was launched as a way to “give back” by mentoring students in conjunction with the Roger Billings Scholarship Program.


Read more about DrB » 
About the Roger Billings Scholarship Program »

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388 Comments

  1. Barkot Yoseph

    wow this was life changing. thank you mr. billings

    Reply
  2. Katreena O'Rourke

    Roberts drawings of the microscope insects were amazing. Such talent

    Reply
  3. Santiago Gonzalez

    Now i see why we need hydrogen and for ours cars. But what else could it benefit us?

    Reply
  4. Derek A Poueymirow

    this video was one of the most interesting videos I’ve watched!

    Reply
  5. Colton Chessor

    with big achievements come big challenges.

    Reply
  6. Cora lane

    R51 is so funnyyyy! Eliminating pollution is really badly needed for the health of the world!

    Reply
  7. Sophia Buford

    I didn’t know that about nitrous oxide. I liked learning about this.

    Reply
  8. Joseph Hoyt

    hydrogen is so cool

    Reply
  9. Gwen

    Wow! I never knew that!

    Reply
  10. Kira Jackson

    The patience Robert had for drawing those insects is crazy!

    Reply
  11. Amara westbrook

    I would buy that ice in a pan R51R51R51R51

    Reply
  12. Yoab Kaleb

    I loved how Mr. Billings kept his cool and thought through the issue, it shows how much of a leader he is.

    Reply
  13. Gianna veal

    How long has elons spaceship been in space

    Reply
  14. jade champlain

    This one was very interesting!

    Reply
  15. Mina Lane

    this one was a really interesting episode!!!

    Reply
  16. Autumn Coleman

    How long did the nitric oxide crisis last for?

    Reply
  17. Jemeelah

    Love this!

    Reply
  18. Elliana Ballejos

    nitric oxide is so interesting!

    Reply
  19. Taylor Leigh

    Nitric oxide is so cool! Love this.

    Reply
  20. Ciara Kirby 🩷

    Awesome video, 素晴らしいビデオ, 很棒的視頻, φοβερό βίντεο, vídeo impresionante, I love this video 🩷, このビデオが大好きです🩷, 我喜歡這個影片🩷, Λατρεύω αυτό το βίντεο 🩷, Me encanta este vídeo 🩷!!!!!!!!!!!!!

    Reply
  21. leah

    nice!!

    Reply
  22. Alayna Chatterton

    hi every one

    Reply
  23. Liam

    It’s nice that you’ve been teaching about this kind of stuff. It’s nice to learn about.

    Reply
  24. grace

    That’s really cool.

    Reply
  25. Audrey E

    This was very interesting

    Reply
  26. Abdurahman Ibrahim

    you just made hydrogen become interesting to me!

    Reply
  27. claire rippon

    can adding more hyrdogen cars benifit our economy ?

    Reply
  28. Rebecca Blackwell

    Way to keep is green Dr. Roger Billings!!

    Reply
  29. Rebekah Wright

    cool video!

    Reply
  30. Khaliyah King-Lewandowski

    really interesting video

    Reply
  31. Amanda Panning

    Loved this video!😻

    Reply
  32. Landon

    I would love to see what type of breakthroughs could be made in the future with hydrogen fuel.

    Reply
  33. Nevaeh Maxie

    loved this video

    Reply
  34. Elliana Ballejos

    Hydrogen cars seem so cool and they would benefit the environment

    Reply
  35. Isabella Bucciero

    so cool

    Reply
  36. Carmela Myers

    this was a awesome video

    Reply
  37. Onyx McKie

    lol r 51 is really funny today! Keep up the good work.

    Reply
  38. caysen reynolds

    that is really cool

    Reply
  39. Isaiah M.

    I’m a really shy, awkward person, so I find it really impressive that Dr. Billings was not only willing to enter competitions, but also ask companies to help support or donate to his projects. It’s really hard to leave yourself open to people judging you or rejecting your ideas.

    Reply
  40. Keith

    I feel like we definitely need more hydrogen cars in our lives.

    Reply
  41. Deanna

    I think we need more hydrogen cars! They seem so useful and would really benefit our earth ❤️

    Reply
  42. Uzair Martinez

    I loved this video!

    Reply
  43. julia powell

    loved this video!!!

    Reply
  44. Campbell Dean

    Hydrogen powered cars would help our environment so much!

    Reply
  45. Bradley Smith

    Why wont we just use hydrogen engines regularly.

    Reply
  46. Piper Selman

    Cool episode i loved it

    Reply
  47. Levi

    wow!!

    Reply
  48. Laci

    wowwww

    Reply
  49. Ava Nelson

    amazing episode

    Reply
  50. Karma Z.

    I learned that Dr Rodger Billings invented a car that does not spread pollution and the engine was made out of lawn mower engine.

    Reply
  51. Kediell

    This was a GREAT episode!

    Reply
  52. Alana Boyce

    I love how every science live I learn more and more about the Hydrogen Car!!

    Reply
  53. Aden Neumyer

    Wow, I enjoyed learning about cars.

    Reply
  54. N.B

    Thank you for telling us about these Hydrogen cars

    Reply
  55. Ciara Kirby 🩷

    Here’s a $100 r-51💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰💰

    Reply
  56. Nikole

    Pollution free cars would definetly be good for the ecosystem.

    Reply
  57. Ciara Kirby 🩷

    I’ve probably watched this episode of Science Live 20 times 🥲

    Reply
  58. Sarah

    I really think hydrogen powered cars need to be more current in mainstream society

    Reply
  59. Isaac Becraft

    This one was very interesting! Thank you.

    Reply
  60. Zubaida M.

    With, hydrogen powered cars.. it reduce the air pollution and such because it offers zero emission nd sustainability. That’s very interesting!

    Reply
  61. Cayden

    How does the new telescope supposed to capture and hold the data to map the entire sky?

    Reply
  62. Taymiyyah SuTay

    DrB is so funny! I love watching these!

    Reply
  63. Harrison Irwin

    Cars are my passion. I really enjoyed this science live.

    Reply
  64. Becker James Eisele

    NEVER MIND I LOVE R-51 IN THIS ONE

    Reply
  65. Zandie Ortiz

    Wow hydrogen powered cars are so cool.

    Reply
  66. Olivia Jordan

    I love watching these videos and learning!

    Reply
  67. Ethan

    Would hydrogen cars be a better alternative than other cars?

    Reply
  68. Makenna Stewart

    Pollution free cars would be very beneficial to the eco system.

    Reply
  69. Makenna Stewart

    I love that analogy…”You can see the invisible” with the microscope. Never thought about it that way.

    Reply
  70. Niki Kaminskas

    As an automobile enthusiast, it’s good to see technology advancing towards hydrogen powered cars in today’s age where people are moving away from fossil fuels.

    Reply
  71. Leandra Dale

    I feel like we definitely need more hydrogen cars in our lives, it would be so much better for the environment.

    Reply
  72. Sophie Nelson

    Hydrogen cars seem like a much better alternative to gas because of climate change and pollution!! Thank you!

    Reply
  73. Lloyd Wilson

    I liked learning about the discovery of plant and animal cells and the cell theory.

    Reply
  74. Lily Gibson

    We definitely need more hydrogen powered cars as an option

    Reply
  75. Eli. C

    It’s a shame we don’t see more hydrogen-powered cars in the mainstream

    Reply
  76. Aidan Muilenburg

    We need hydrogen for cars.

    Reply
  77. Bella Wiley

    Hydrogen powered cars seem super awesome!

    Reply
  78. Mariah Tyus

    Its cool that dr.Roger billings did so many things in his life!

    Reply
  79. Charlotte

    Hydrogen-powered cars could be an alternative to gas-powered cars, they would be better for the environment!

    Reply
  80. Renee tarantelli

    I would love to learn more about hydrogen cars

    Reply
  81. Emma Soucie

    i thought is was really funny when 51 was playing the instrument! and he said (well i am going to need to learn about this)

    Reply
  82. eva

    Woahhh literally amazing

    Reply
  83. Mazzy

    Wow! R-51 is so cool.

    Reply
  84. Persephone

    Sometimes I feel like I’m not equipped to teach my daughter science lol! Always something new to learn with her and she has definitely grown to love science with the information from these

    Reply
  85. Alivia

    The hydrogen powered car is such an amazing invention!

    Reply
  86. Atticus W

    My dad says this was the introduction of the exhaust gas recirculation system on internal combustion engines, he’s a mechanic.

    Reply
  87. Jaxon Cunningham

    I didn’t know our teeth was the only part of our body that wasn’t able to repair itself.

    Reply
  88. Michael Myrick

    This video explains nitric oxide that can power a car with electric entries. It was so funny when the nitric oxide in the treasure box opened it up.

    Reply
  89. Gia

    rubber bands to the rescue, it saved the day.

    Reply
  90. mckenna carroll

    what was the company called?

    Reply
  91. Shannon Rice

    After watching this video, I think that we should stary using hydrogen powered cars more.

    Reply
  92. Zachery Johnson

    I really hope Hydrogen powered things become more mainstream!

    Reply
  93. Sophia

    Wow I would love a hydrogen-powered car!

    Reply
  94. Elias Barretto

    Hydrogen powered cars sound cool!

    Reply
  95. Ryker Dugger

    These Science Lives are really interesting and always teach me something awesome!

    Reply
  96. Mira Adams-Smith

    If cells make up living things, what makes up non-living things like rocks? Is it cells or something else?
    I was also really interested in learning about Dr. Billings’ hydrogen car. I was wondering if he was able to give the car back to Volkswagen in the same condition he got it in?

    Reply
  97. Kylie Conley

    This would be so much better than the cars we have now.

    Reply
  98. James

    Somebody did sabotage you they wanted to win instead of you

    Reply
  99. Kylie

    It’s crazy to think we’ve come so far with technology and science a car can run on hydrogen.

    Reply
  100. Jacob Lott

    love these videos!

    Reply
  101. Brianna Garcia

    Space is always interesting to learn about!!

    Reply
  102. bonnie wade

    wowwwww

    Reply
  103. Caleb Felker

    R-51 is super funny in this video!

    Reply
  104. Zane Ford

    Science is cool!

    Reply
  105. Kamilah Bello

    Nitric Oxide turning into Nitric acid by adding water is very interesting

    Reply
  106. Lourdes Cimolai

    I enjoyed this video, I love learning new things every day.

    Reply
  107. Kiana johnson

    I never knew you could run a car on something like hydrogen.

    Reply
  108. Colton Chessor

    OMG, the amount of challenges you had, and solved is absolutely crazy to me.

    Reply
  109. Hannah Soye

    I wish the government would stop holding better things back. Hydro cars would be such a good advancement for our society.

    Reply
  110. Samil Nelson

    Never knew that cars can be powered by more than one thing.

    Reply
  111. Sean Loftus

    You should have a race between a Hydrogen and an Electric car.

    Reply
  112. Kayla A

    I hope hydrogen-powered cars will be wide-spread and mass produced in the future!

    Reply
  113. Ethan Turner

    Tackling something like that sounds complicated. I’m really impressed!

    Reply
  114. Finn Hoskins

    Enjoyed the video. Hydrogen powered cars are cool.

    Reply
  115. Calleigh Eaton

    Why don’t we see more things powered by other gases?

    Reply
  116. Myckael J

    Never gave up

    Reply
  117. Anastasia Jinks

    The more children parents have, the stronger their brains, which I do fully believe.

    Reply
  118. Maria

    I really enjoyed the part about cells as well as learning about your experience with your hydrogen powered car.

    Reply
  119. Zachery Johnson

    Who was the person who discovered infrared lights?

    Reply
  120. Brandon Wordlaw

    Im going to ask for a microscope for Christmas. So we make new skin like snakes. Why don’t our teeth fixi itself if it is cells and bone?

    Reply
  121. shirley williams

    you never gave up!

    Reply
  122. Alex Zhang

    Wow, was really cool learning about these different kinds of cars! Now I want a water powered car.

    Reply
  123. Kayla Ferguson

    Pollution free cars is such a great idea

    Reply
  124. Jesse James

    Can’t wait to see what the infrared map of the sky would look like.

    Reply
  125. Jesse James

    Can’t wait to see what that map of the sky looks like. I also found the info on nitric oxide interesting.

    Reply
  126. Abigail Riley

    R51s a good invention

    Reply
  127. Lavienna C

    I had fun watching this with my brother. New energy cars are all so innovative. Environmental friendly is also a plus.

    Reply
  128. Ambellina Colpitts

    I learn so much from science live. I Love the idea “off science”.

    Reply
  129. William C

    Thank you, Science live. Always learning great stuff.

    Reply
  130. Abigail McGrath

    I love how you guys explain things!

    Reply
  131. Edan Langston

    I want to enter a science fair.

    Reply
  132. Caleb Perzhu

    Really cool drawings of a bugs, love the details.

    Reply
  133. KANLAWEE WIRIYAHYUTTAMAR

    In today’s society, after hearing the lecture today, I strongly agree that we should start using hydrogen powered vehicles instead of electricity, not only it will clean earths air, but there also wouldn’t be any pollution involved which is some much better for our environment.

    Reply
  134. Aisha umer

    This episode was really fun to watch!!

    Reply
  135. Naoko

    R51 is so funny!

    Reply
  136. Luke Pope

    woah this is very cool

    Reply
  137. Abigail Vela

    It’s so cool that you made the first hydrogen-powered car Dr. Billings!

    Reply
  138. Briana Malpica

    Interesting video,mi dad and I watched together, we love cars.

    Reply
  139. Simone tarantelli

    That’s so cool!

    Reply
  140. Trevor Fishack

    hydrogen powered vehicles are cool

    Reply
  141. Neasha Edwards

    Great video, loved how they tackled the nitric oxide emission problem.

    Reply
  142. Asher Bhatti

    Dr .B explained the things very good

    Reply
  143. Asher Bhatti

    Its very helpful,and I really like those videos🌝⭐

    Reply
  144. suraiea

    r51 <3

    Reply
  145. Elijah

    So awesome

    Reply
  146. James Hines

    That is amazing that your car scored so well. When will they mass produce this type of car vs the electric as an alternative fuel car?

    Reply
  147. Caiden Hiner

    so cool love this

    Reply
  148. Aaron Madura

    Hydrogen cars make so much sense

    Reply
  149. Sierra Nicholas

    Thank you Science Live.

    Reply
  150. Lourdes Cimolai

    I love watching these so I can learn new things every day!

    Reply
  151. Ciara Kirby

    Send me r51

    Reply
  152. Ciara Kirby

    I want r51’s invention 🙃

    Reply
  153. Nylyia

    Loved the video thank you for teaching me something new!!

    Reply
  154. Pamela G

    Everything was so interesting, but my favorite part was the persistent of Dr.B for not giving up and showed his project and win.

    Reply
  155. Ciara Kirby

    We 💜 r51

    Reply
  156. Lamar Sherif

    Very intriguing! This taught me so much!

    Reply
  157. Paige

    That is so cool. I love learning new things. Also funny clone joke!!

    Reply
  158. Carson Herzog

    I loved learning how hydrogen powered vehicles are a cleaner alternative to car fuel. As well that it is environmentally better.

    Reply
  159. Sophia Benson

    Who actually invented the microscope? I’ve always wanted one of those but they cost sooo much!🔬

    Reply
  160. Dylan Stevens

    I think anything that is created that we can drive in and can be pollution free is fantastic. My dad has an old diesel and there’s a lot of black smoke that goes in the air. I think we need to start with fixing them first and then get us some pollution-free cars. Or flying cars.

    Reply
  161. Gracelyn Weitz

    wow I learned something new today!

    Reply
  162. Kilian

    I am buying R-51’s invention..

    Reply
  163. Gage

    How much nitrogen oxide does loghting make

    Reply
  164. Atticus Robinson

    WOW so cool! Loved this video! Thank you Dr Rogers!

    Reply
  165. Mana Sattathip

    For this episode, Dr. Billings’ story makes it clear that something as common as car exhaust can have serious consequences. His message is a wake-up call—now that we know the harm, it’s on us to do something about it.

    Reply
  166. Ember Broshears

    I really loved this video. It definitely was intriguing and I learned something new.

    Reply
  167. Farrah Williams

    Learning about nitric oxide was interesting.

    Reply
  168. Ethan Bernard

    I understand the cell theory so much better after this video. Thank you so much.

    Reply
  169. Secia Mitchell

    In today’s society, after hearing the lecture today, I strongly agree that we should start using hydrogen powered vehicles instead of electricity, not only it will clean earths air, but there also wouldn’t be any pollution involved which is some much better for our environment.

    Reply
  170. Eva Sirotek

    I think hydrogen powered motors are the motors of the future.

    Reply
  171. Easter Cee

    Back in 1972 and the General Motors Urban Vehicle Design Competition, I learned that Billing tackled the challenges about Nitric Oxide Emission. His very best hydrogen powered car had a clean exhaust than the other entries with no emission.

    Reply
  172. Jackson B.

    The idea of using a telescope to map the sky is a very clever idea of using this technology.

    Reply
  173. Charla Locklear

    AMAZING VIDEO

    Reply
  174. Ava

    Love this! so cool!

    Reply
  175. Autumn Cloud

    i loved the video<3

    Reply
  176. minerva

    I love learning something new whenever I see these lives!

    Reply
  177. Christian Johnson

    tobias needs more screen time

    Reply
  178. Zachary Taylor

    I did not know about the importance of nitric oxide emissions and how hydrogen-powered vehicles can offer a cleaner alternative even compared to electric cars. That was cool was unaware of the significance of nitric oxide emissions and how hydrogen-powered vehicles can provide a cleaner alternative, even when compared to electric cars. That was interesting.

    Reply
  179. Taylor Parsons

    I really like cars, so this video was really intriguing

    Reply
  180. Chase Shortlidge

    The reason excessive amount nitric oxcide is dangerous is because having to much nitric oxcide in the body can lead to a lot of problems like lung damage and breathing difficulties.

    Reply
  181. Hinley barks

    By far one of my favorites episodes

    Reply
  182. Isabel

    Wow, that’s so cool thanks!

    Reply
  183. yocabed

    it is so amazing how people have managed to see an atom so impressive.

    Reply
  184. Bakari Blocton

    WOW, I thought nitric oxide was just another boring element but geez it’s more important than I ever would have thought! thanks so much

    Reply
  185. Gunnar Bendorf

    Amazing 👏

    Reply
  186. Brianna Smith

    I enjoyed learning about cell theory!

    Reply
  187. Taylor grimm

    I think this program gives a great impact to knowing what’s going on about science.

    Reply
  188. Slayden Bramlett

    Toyota is working on hydrogen powered motors. Also, I’ve seen boats doing this with marine engines. Really cool

    Reply
  189. Aisha Salah

    Exciting video!

    Reply
  190. Yusuf saddiq

    It’s amazing how you made your own car without pollution.

    Reply
  191. Adam

    I love science

    Reply
  192. karen el-halabi

    Only if hydrogen cars were more affordable and popular

    Reply
  193. Brielle

    I did not know about the importance of nitric oxide emissions and how hydrogen powered vehicles can offer a cleaner alternative even compared to electric cars, That was something cool to learn and here about.

    Reply
  194. Dwayne Gardner

    Is nitric acid in the rain just in America or the whole world?

    Reply
  195. Malia Lorenzo

    love the video!

    Reply
  196. Timothy

    I had fun watching thank you so much!

    Reply
  197. Autumn Miller

    Can the hydrogen powered car turn back into something else?

    Reply
  198. Zola Williams

    Science live is always so interesting and entertaining!!

    Reply
  199. Syncere P Harrison

    I’m amazed with this video, it’s very interesting to find out new information.

    Reply
  200. Kyndal

    That was cool with the rubber bands.

    Reply
  201. vivienne robillard

    This was such a cool lesson!!! Thanks Mr. Rogers! 🤩

    Reply
  202. Cason Patterson

    I learn something new every time I watch one of these videos and I love it.

    Reply
  203. Avery

    Me and my family work with cars so this is useful to me! Thank you!

    Reply
  204. Nerissa Soto

    loved this episode

    Reply
  205. Asher Russell

    How was nitric oxide discovered??

    Reply
  206. Travis Dodge

    Interesting. Crazy how that works.

    Reply
  207. Emma Harrell

    This was a cool lesson!

    Reply
  208. harmony schaechtel

    my great grandpa retired from general motors.

    Reply
  209. Victor Fontes

    Model A4 is so interesting.

    Reply
  210. Lavienna C

    Cell theory is very interesting for the medical research. 3 billion new cells everyday. wow

    Reply
  211. kristianna watson

    the thing that it is ,is that we all drive diffrent types of cars but this one can going for many miles than any other type of cars

    Reply
  212. Nyliyah Nevarez

    This episode is very informative.

    Reply
  213. Gabriella McGurk

    Loved this! Congrats on winning first place!

    Reply
  214. Joseph

    R 51 is really funny

    Reply
  215. Jeremiah Wade

    I thought it was cool to find out how nitrogen dioxide turns in to nitric acid when combined with water.

    Reply
  216. Lily Allen

    I think its so cool that throughout time we can watch these amazing people work together to figure out the world around us. DrB is amazing!

    Reply
  217. Victoria

    I find it so inspiring how Dr B used his abilities in science to try and tackle a large pollution issue. Car emissions are a devastating factor to our ecosystem I really hope this alternative can be expanded on and become an affordable option for people.

    Reply
  218. Khloe mogg

    Rubber bands for the win!

    Reply
  219. Braxton

    Why is nitric oxide so dangerous.

    Reply
  220. Jahaziel Esteves

    The idea of someone cutting the spring of a hydrogen car is crazy

    Reply
  221. Jacob Garrison

    Here for science ! Great class

    Reply
  222. Alisi

    This live has to be one of my favorites

    Reply
  223. Javier Nunez

    Thank you Dr. Rogers I learned a lot!

    Reply
  224. Ashton

    Amazing episode!

    Reply
  225. Maddison Leckrone

    Why does a telescope have to remain cold when using infrared lighting? Does it have to do with how infrared functions, or something else?

    Reply
  226. Grainne Norris

    It’s fascinating how we find new ways to improve previous inventions/discoveries.

    Reply
  227. brendon lounsbury

    Never knew you could run cars with water.

    Reply
  228. Khaliyah King-Lewandowski

    these videos give me so many interesting facts

    Reply
  229. Jesse Moore

    The drawings of bugs and the bark under a microscope is incredibly impressive how accurate the drawings were.

    Reply
  230. Koa Mana Blumberg-Tashombe

    I find these videos very informative and fun a great way to learn fast and easily, especially when they speak of the chemical of nitric oxide making it easy to comprehend when younger viewers watch.

    Reply
  231. kaylee

    love science live!

    Reply
  232. Taylor

    i love the jokes and how we always learn something

    Reply
  233. Grace Mary Gorman

    When they take the pictures of space and are able to collect them all to make a map does space ever make major changes in short periods of time that would make the images inaccurate?

    Reply
  234. David Hathon

    R-51 is neat

    Reply
  235. Giselle Vega

    WOW!

    Reply
  236. Francesa

    So cool love the videos

    Reply
  237. Ronnie Horner

    This science live is amazing. Makes me feel more intelligent.

    Reply
  238. Lilian

    Is there a reason why lighting makes nitric oxide

    Reply
  239. Sophia Mowry

    Ever since I heard of the rubber band moment, I carry around a rubber band in my pocket… Thanks to the Science Live!

    Reply
  240. Jamie Horner

    Where do you get your ideas for science live.

    Reply
  241. Trinity

    It’s horrible that somebody could have cut the spring on the car, but luckily there was a rubber band!

    Reply
  242. Kyle Dutson

    Love the jokes

    Reply
  243. Aiden Moore

    I wish all cars were as clean for the environment as the ones you were working on

    Reply
  244. Brayden

    Loved it

    Reply
  245. Rafe Moran

    Learn something new every day!

    Reply
  246. Andrew Gideon Hicks

    I’m still wondering who cut the spring.

    Reply
  247. Adelyn Blake

    I really enjoyed learning about Nitric Oxide. I also thought it was cool that you ended up with a negative score on your car.

    Reply
  248. Rosie

    Interesting how cells got their name… 🙂

    Reply
  249. Kadence Coy

    That would be great to have no pollution.

    Reply
  250. dexter

    i like watching this

    Reply
  251. amir

    R51 is so funny

    Reply
  252. Oscar

    I really liked this lesson!

    Reply
  253. Leilah Peterson

    I think it’s interesting that we can do so much space exploration. People are extremely intelligent.

    Reply
  254. Kaylie Gilmore

    I learn something new every time I watch these live videos

    Reply
  255. Andrea Cervantes

    The humor really brings everything together, best of both worlds of entertaining and educational.

    Reply
  256. Syeira

    Im starting to like science live more and more, it’s a great way to expand my mind outside of school, it’s super beneficial.

    Reply
  257. Kennedy Fifield

    Do you get new cells in your brain when you learn a new language?

    Reply
  258. Alliya Martin

    This was actually pretty cool.

    Reply
  259. Loralie Sullivan

    This is so interesting! I learned so many different things from this video that I never knew about before.

    Reply
  260. Raye

    I had so much fun watching this vedio

    Reply
  261. Kayla

    The jokes throughout the video always keep things interesting.

    Reply
  262. Nikolas Brewer

    This is one of my favorites! So much to learn.

    Reply
  263. Ezekiel Layton

    That’s so cool that after this video I have new skin lol

    Reply
  264. Lila Philpot

    I did not know about nitric oxide. interesting

    Reply
  265. Justin Estevez

    Dr. Billing story’s really are amazing! Wait so is there a benefit to Nitric Oxide, or are there only negative effects?

    Reply
  266. Emerson Engle

    I enjoyed the science fair story 🙂

    Reply
  267. Desmond Pichardo

    I found the comment, “parenthood keeps your brain young” to very accurate. Love this video!

    Reply
  268. rawan farghal

    certainly amazing i love cars

    Reply
  269. Ethan

    Wow, since when did Science live add the ability to see other comments? My question that I’ve been thiking for a while is could anyone get a motorcycle to run on Hydrogen?

    Reply
  270. Emma Jackson

    these lives are so educational

    Reply
  271. Kashen Logan jr

    rubber bands FOR THE WIN.

    Reply
  272. Amelia Birdseye

    Wow this is so amazing. hydrogen is so amazing
    ❤️🧡💛💚💙💜🤎🖤🤍😍

    Reply
  273. Jonathan Nesmith

    I am inspired by your perseverance and determination with your hydrogen engine

    Reply
  274. latifah

    r-51 mannnnnnn I love you and your soooo funnyyyyy

    Reply
  275. Libby

    R-51 is so funny!

    Reply
  276. Gabriel Harrington

    The idea of someone cutting the spring of your hydrogen car is crazy! Hopefully it had just snapped, and it wasn’t someone’s malicious doings!

    Reply
  277. jackson sanzi

    is there any way to turn the water byproduct from running the hydrogen powered car back into hydrogen to use in the car

    Reply
  278. Noah Lair

    Sorry I have been late to these, this is one of my favorite videos since it showed the Model A4.

    Reply
  279. eb saleh

    rubber bands for the win

    Reply
  280. Jessica Romero

    Wow

    Reply
  281. eb saleh

    i love the breakthroughs so fun

    Reply
  282. ShaErra Whooper

    I love learning something new every time I watch these lives

    Reply
  283. Bennett

    I love this one. it is so cool

    Reply
  284. Asher Rice

    Cool video

    Reply
  285. Malaysia

    Very informative video!

    Reply
  286. Ruth Baldwin

    R-51 is funny

    Reply
  287. William Hunter Eakin

    Great episode.

    Reply
  288. Elijah Baldwin

    R-51 is so funny

    Reply
  289. Cassidy Wyngaert

    Every time we learn something new, thank you very much Acellus.

    Reply
  290. Ajah Phifer

    How was nitric oxide discovered?

    Reply
  291. amelia

    i always enjoy the jokes at the beginning.

    Reply
  292. Logan Rentner

    Awesome!

    Reply
  293. Ava Nelson

    amazing

    Reply
  294. mackenzie curley

    love this

    Reply
  295. Barrett Pirtle

    How do scientists measure carbon monoxied

    Reply
  296. Sofia Sliva

    Our bodies are amazing how it can heal itself!

    Reply
  297. Noah Sliva

    Wow, I cannot wait to see the photos from the new telescope!!

    Reply
  298. Matt Stoerzinger

    How dangerous can nitric oxide be to the respritory system?

    Reply
  299. Kennedy

    Learning about Dr B’s ideas and inventions is interesting.

    Reply
  300. Shawn M Porterfield

    will cars run on water?

    Reply
  301. Lila

    This was a fascinating video.

    Reply
  302. Amber miling

    This is AMAZING 😍🤩
    Esto es INCREIBLE 😍🤩這是個很棒的消息,我也很喜歡這個,我很期待下一個影片的發布,哈哈

    Reply
  303. Jose

    This was very interesting.

    Reply
  304. Daniel Cartwright

    I love the humor in science alive. It makes science more fun.

    Reply
  305. Yasmine

    Every time we learn something new, thank you very much Acellus.

    Reply
  306. Jada R.S. Pace-Kitchen

    The opening jokes are always funny.

    Reply
  307. Jayden Batista

    did not know about the importance of nitric oxide emissions and how hydrogen powered vehicles can offer a cleaner alternative even compared to electric cars. that was cool

    Reply
  308. Hadassah evans

    Wow

    Reply
  309. Taylor Leigh

    Why does lighting produce nitric oxide?

    Reply
  310. Jayme Page

    This was pretty interesting to hear!

    Reply
  311. Jude Johnson

    Great Episode!

    Reply
  312. Kenny

    I love microscope 🔬

    Reply
  313. Kenny

    Nice

    Reply
  314. Isaiah Lien

    Robert Hooke’s drawings were so good! That’s amazing how cells produce new cells so quickly.

    Reply
  315. Megan Lien

    I never knew that nitric dioxide was polution

    Reply
  316. Maddy

    Great episode

    Reply
  317. Liam long

    How do people measure carbon emissions

    Reply
  318. Aaliyah McLaughlin

    I love this video!!!

    Reply
  319. Rylan Rivers

    NICE VIDEO

    Reply
  320. Matthew Campoverde

    Thank you. Interesting how cells regenerate all the time.

    Reply
  321. Jaelyn Barngrover

    Thanks again for a great video!

    Reply
  322. Mason Collier

    Very interesting episode!

    Reply
  323. Kristina Monteforte

    Wow! I can’t believe how cold the telescope has to be. The fact that is has to be funnel shaped is so interesting.

    Reply
  324. Vicente Resendiz

    Awesome to learn more about Nitric Oxide. Thank you.

    Reply
  325. abdulrazaaq

    wow

    Reply
  326. JFarns

    I learned most of this in biology but a refresh never hurts

    Reply
  327. Noah Hall

    This was a great video, my question that I’ve been for a while is could anyone get a motorcycle to run on Hygrogen?

    Reply
  328. Claire Elliott

    Wow so cool!!

    Reply
  329. Caiden

    this is one of the best Episodes!!!

    Reply
  330. Koko

    r51 is extremely funny!🤪

    Reply
  331. Nakova

    Thank you for this interesting episode! I always wondered who discovered cells and now my questions are answered!! Thank you science live!!

    Reply
  332. Anthony Naqvi

    It’s crazy to me how far space telescopes have advanced. I have just a little one in my room.

    Reply
  333. Andraya

    this was a great video

    Reply
  334. mimi

    thank you.

    Reply
  335. Kalista Terson

    Cars are cool! Hard to make.

    Reply
  336. James Terson

    Creating a new and better kind of car that is good for the environment is so difficult. Wow, great job, Dr. Billings!

    Reply
  337. Orion Anthony Anagnostou

    I liked the hydrogen car because it looked so cool

    Reply
  338. Travis Spurlock

    did you make a hydrogen car converable?

    Reply
  339. Taylor Phillips

    Another great video, I always knew about nitric oxide and some of its effects but I never knew about the emissions and its damage.

    Reply
  340. Jax Thelen

    This is interesting

    Reply
  341. Layton Alexander

    Thanks for the video.

    Reply
  342. Nguyen Ngoc Nhu Y

    Amazing!

    Reply
  343. Zari Kersting

    This was so cool!

    Reply
  344. Colton DeCourley

    This was a great episode!

    Reply
  345. Dominika Zieba

    wow

    Reply
  346. Emma Hathcock

    I liked learning about the hydrogen car.

    Reply
  347. Jaxon Rea

    Who invented the microscope?

    Reply
  348. Naveen Thakurwani

    I didn’t know a chromatograph existed until today. It’s really interesting how it works.

    Reply
  349. Maya

    Fascinating video!

    Reply
  350. Evolet Elise Boris

    Great lesson to watch and learn. Very fun and interesting.

    Reply
  351. Perseus Jackson

    Hello everyone!! Has anyone meet Dr. Roger Billings? Comment on this post if y’all agree!!!

    Reply
  352. josie evans

    new satellite infrared is really amazing. Always disappoints me when someone cheats to try to win, Thumbs up for rubber bands.

    Reply
  353. Kaiden Rhinehart

    That was pretty cool.

    Reply
  354. Janco Cronje

    Nitric oxide is a fascinating element

    Reply
  355. Calleigh Blount

    We enjoy watching these episodes of Science Live. Thank you.

    Reply
  356. Noah Townsend

    I want a hydrogen car

    Reply
  357. brinley

    so fun loved it

    Reply
  358. Xavier

    I love this episode!

    Reply
  359. Tammer

    I really liked this episode. Thank you!

    Reply
  360. Ally

    I agree with Noah why does lighting produce nitric oxide?

    Reply
  361. Coralynn Puska

    A rubber band! What a stretching situation! 😏😜

    Reply
  362. Jordan Benson

    Nice episode, probably the best I’ve seen. 👍

    Reply
  363. gracie

    How fast can scientist reduce the amount of nitric oxide?

    Reply
  364. Cecilia Cutshaver

    What does Nitric Oxide do to the environment?

    Reply
  365. Kendall

    Great episode!

    Reply
  366. Jewel Webb

    I found the fact that all cars produce nitric oxide when burning gas interesting! I never knew that before

    Reply
  367. Lucas Plaster

    Is nitric oxide present at all on Mars or any other planet/moon? Also, on the rubber band idea, my dad says that was a classic example of “adapt and overcome”.

    Reply
  368. Jeremiah Rorie

    Nice episode.

    Reply
  369. Rody Hawkins

    buon episodio

    Reply
  370. Andrew

    Do vehicles release more carbon monoxide than nitric oxide?

    Reply
  371. Ranulph zapf

    How did it get a negative answer!

    Reply
  372. Lucas Plaster

    When did they first discover DNA, and were they able to understand genetics at least a little bit?

    Reply
  373. Avery Duran

    Love learning about new stuff every week!

    Reply
  374. Will Ferguson

    That’s is so many parts.

    Reply
  375. Lily Smith

    How creative to use a rubber. band to make coil work on your car.

    Reply
  376. Tai Pearson

    Great Episode!

    Reply
  377. Aaron louis jeune

    Where do cells come from?

    Reply
  378. aidan

    I think that its interesting that discoveries can go hundreds of years and not be used. But suddenly blow up and the founder gets a bunch of credibility.

    Reply
  379. Savanna Legrand

    How significantly will scientists be able to reduce the amount of nitric oxide within the next few years?

    Reply
  380. Samantha Palaganas

    This is an interesting topic.

    Reply
  381. Aneesa Khan

    amazing points.

    Reply
  382. Max McCall

    1000 to 1200 parts per million!? That is insane!!!

    Reply
  383. Brenan

    This was interesting taking it back to GM design in 1972.

    Reply
  384. Ella Morgan

    Thank you! I really enjoy hearing all your stories and learning so much from them.

    Reply
  385. Aaron

    Who found out how many cells we have

    Reply
  386. Arianna Azevedo

    I have always been interested in the whole cars topic. When I was younger I wanted to be a racecar driver. What are the effects of becoming one medically? With the forces and energy it takes from your body, it has to have some kind of science behind it. Thank you!

    Reply
  387. Noah Mendonza

    why does lighting produce nitric oxide

    Reply
  388. Mateo

    Hydrogen car is my favorite to learn about

    Reply

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