How Fireflies Glow – The Chemistry of Bioluminescence

November 10, 2021  •  EPISODE 95

What makes fireflies glow? Join Roger Billings as he helps students explore the enchanting world of fireflies! Discover the amazing chemistry behind their glow and see how these tiny creatures light up the night with their bioluminescence.

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.


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476 Comments

  1. Nathaniel

    That was a beautiful song about fireflies.

    Reply
  2. Nathaniel

    I want to make a robotic fire fly

    Reply
  3. Anthony

    This is my favorite video Fireflies are amazing

    Reply
  4. Adelaide

    the song made me cry. fireflies are so pretty

    Reply
  5. Kaylaura

    That’s pretty cool I didn’t know that, I’ve always loved fireflies there cool

    Reply
  6. The

    I want to catch a Firefly!!!

    Reply
  7. Zion

    I want to be friends with pajet

    Reply
  8. Emmanuel

    Here in Puerto Rico, we have fireflies too.

    Reply
  9. Damien

    I used to catch fire fly’s too!

    Reply
  10. Damien

    WOW🤩🤩🤯🤯

    Reply
  11. Annabella

    When I was little I used to catch fireflies with my mom and we would put them in a mason jar with holes in the top. Fireflies bring back good memories. 😊

    Reply
  12. Garrett

    We have alot of fireflies here in Tx

    Reply
  13. Alanna

    Probably, and that episode was so experimental,I love those types of episodes!!!🔬💡❤️👍🧪🎉

    Reply
  14. Cash

    She’s my language arts teacher She SINGS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!

    Reply
  15. Haileyjade.music

    OMG MRS. REBECCA YOU’RE VOICE IS AMAZING!!! I took your math class last year, my favorite lesson was the one you did for April fools day with the “brown E’s” instead of “browines”😂.

    SING IT QUEEN✨✨😎😎💋👑💅✨

    Reply
  16. Elora

    Mrs. Rebecca has a beautiful voice. 😍
    How do u get bioluminescent

    Reply
  17. Preston

    I love fire flies

    Reply
  18. Cris

    Does anyone know how to get bio-luminescence?
    What are some cool things that you can do with it?
    Is that what they use to make Glow-Sticks?

    Reply
  19. Lola

    Rebecca is my favorite math teacher!!? so she can sing now?!!🤔😳🤔

    Reply
  20. Lola

    The is so amazing!!.

    Reply
  21. Christopher

    can we have random fireflies in the next video.

    Reply
  22. Benjamin

    Why was that song kind of 🥹 Mrs.Rebecca has a beautiful 🇺🇸

    Reply
  23. Melanie

    It ‘s cool how the embers ignite in the oxygen

    Reply
  24. Cris

    How do you get bioluminescent?

    Reply
  25. Lucian

    That was so cool!

    Reply
  26. Coolcat😎✌️

    Omg!! Rebecca your voice is so beautiful!! 😘😘😘☺️☺️☺️

    Reply
  27. Ambrie

    This is mind blowing! Fireflies are cool!

    Reply
  28. Autumn

    I love bugs

    Reply
  29. Nathan

    can we learn how the rattle snakes tail rattles please

    Reply
  30. Adam

    Prob one of my favorite videos so far!

    Reply
  31. Gabriel

    what other animals are bioluminescent and where are they found?

    Reply
  32. Gracie

    i love science❤️❤️❤️

    Reply
  33. Hazel

    The video was about how fireflies are bioluminecent. They produce light by makeing this self made fuel that they can control by using air. They concentrate it to make the light, chemicals in their body make it irredecent. I really liked the song at the end it was very pretty.

    Reply
  34. Nancy

    Ms Rebecca SINGS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    Reply
  35. Nancy

    Ms Rebecca is also my math teacher

    Reply
  36. Ben

    I love fireflies

    Reply
  37. Hope

    Rebecca is my math teacher😱

    Reply
  38. Erabella

    Gods creation is so beautiful! Mrs. rebbeca can sing!!!???

    Reply
  39. Carsen

    How long can a firefly hold its “light” on at one time?

    Reply
  40. Leila

    Mind blowing.

    Reply
  41. Elivia

    That was really neat.

    Reply
  42. Joeli

    I like catching fireflies.

    Reply
  43. Harper

    Rebecca can sing!?! WOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    Reply
  44. Aden

    I like fireflies.

    Reply
  45. Aliyah

    that was so cool

    Reply
  46. Harper

    the way fireflies light up is so amazing. I will also try the firefly catching.

    Reply
  47. Hailey

    #Rewatchingthisforthe5thtimethisyear😍

    GUYS ROGER BILLINGS HAS A SPOTIFY PODCAST I FOUND IT A WHILE AGO!!😱😱 He has all of his episodes all in order too! 😍😍😍🤓🤓😜😝😜😌🙃🤑👻💩😺😻🙈🙉🙊😸😺😸😹🙆💃💃

    Heading to Spotify now MEET YALL THERE🚪🏃

    Reply
  48. Makenna

    nice video!

    Reply
  49. Alarick

    my favorite element is … radium

    Reply
  50. Pierina

    That’s was so cool. I’ve heard of luminous but had no idea of its depths. Great video

    Reply
  51. Evan

    i enjoy watching fireflies outside at night. i will look at them differently now that i know the science behind them.

    Reply
  52. Arlett

    Wow I think bioluminescence in cool!

    Reply
  53. Nathan

    That was a really cool thing that you did with the fire and oxygen.

    Reply
  54. Benjamin

    Fireflies are cool.

    Reply
  55. Cashatlas

    Go dr.b

    Reply
  56. Cash

    So cool 😎😎😎😎😎😎😎

    Reply
  57. The

    Wow. I mean, just, wow. God’s creation is amazing and wonderful.

    Reply
  58. Azaria

    So cool!

    Reply
  59. Blaze

    this song is fire yal God bless Dr b

    Reply
  60. Camarion

    i like fire fly and they are cool

    Reply
  61. Patricia

    Cool

    Reply
  62. Easter

    wow The Chemistry of Bioluminescence

    Reply
  63. Paige

    That’s mind blowing how that works!!!

    Reply
  64. Grace

    I loved the song

    Reply
  65. Isabella

    This was very interesting. I have seen that they now sell Petunias that will glow at night like fireflies.

    Reply
  66. Matthew

    Dear Mr B

    Congratulations on a successful episode I found the info the the fireflies fascinating including the music too.

    God bless.

    Reply
  67. Alycia

    Tobias is very funny, his Goofy impression was perfect. The discovery in the 1800’s was pretty interesting when learning about incandescent lighting and candle luminescence lighting. Dr. B your experiment on fireflies was amazing, thank you.

    Reply
  68. Erabella

    how many cells do you think are inside a firefly?

    Reply
  69. Erabella

    Pajet monet is one of my favorite teachers and it was so cool that you were in the video

    Reply
  70. Erabella

    did you know that there is a type of firefly called a snappy sync firefly. they are known for their synchronized flashing.
    the video was very cool. i didn’t know that fireflies had cells

    Reply
  71. Evan

    can you give us a set to do this

    Reply
  72. Brodee

    Brodee really enjoyed this episode.

    Reply
  73. Finn

    hi i luv the veteo

    Reply
  74. Jaden

    Let’s enter a new world.

    Reply
  75. Zach

    This is so cool!

    Reply
  76. Archer

    We don’t have fireflies in Texas.

    Reply
  77. Elena

    Imagine if humans had bioluminescence. What concepts would be most prominent in life?

    Reply
  78. Bennett

    We have fireflies where I was born in Ohio

    Reply
  79. Aiden

    I wish fireflies lived in North Idaho. I wonder why they don’t.

    Reply
  80. Brynlee

    Fireflies are interesting

    Reply
  81. Caysen

    Fireflies are so interesting and cool

    Reply
  82. N.b

    Such an interesting experiment.

    Reply
  83. Matthew

    Thank you so much that’s so cool.

    Reply
  84. Shane

    Awesome video I love Fireflies

    Reply
  85. Sam

    It’s neat how bioluminescence works, and it’s cool how there is bioluminescent beaches too!

    Reply
  86. Palinka

    Love the song it almost let me cry

    Reply
  87. William

    I love acellus so much you have helped me so much thank you.

    Reply
  88. Maximilian

    Incredible as always…

    Reply
  89. Meye

    I loved it! It was very inspiring to learn from! cool school!

    Reply
  90. Bella

    I thought it was really cool when he made light using liquids! How does that work? Can I try a similar experiment at home?

    Reply
  91. Storme

    THIS IS AWESOME

    Reply
  92. Zainab

    Fireflies are incredible insects!

    Reply
  93. Meye

    awesome!

    Reply
  94. Jayden

    How does bioluminescence not effect the oceans creatures

    Reply
  95. Hailey

    Omg this is so cool! I love Fireflies!!💜💜
    Roger Billings, you are my Idol, love ya Pajet Monet, I took your class last year and it helped me a lot thank you for the inspiration!💜😇💗💫💫

    Reply
  96. Meye

    fireflies are beautiful!

    Reply
  97. Sulgi

    I love acellus

    Reply
  98. Charlotte

    Thank you these are my favorite

    Reply
  99. Mariah

    That song was a very good song but I almost cried. I also really loved how Roger Billings was able to make that light like fireflies light they have.

    Reply
  100. Levi

    Wow! That’s so cool. 👍😎😆🤩😁

    Reply
  101. Dana

    I love fireflies

    Reply
  102. Sam

    So cool

    Reply
  103. Allegra

    I love science

    Reply
  104. Mckenna

    bioluminescence is so cool!

    Reply
  105. Koren

    I just learned about luminous light and illuminated on science yesterday!

    Reply
  106. Riley

    Fire fly are cooler then I thought.

    Reply
  107. Jon

    so cool i love fire flys

    Reply
  108. Kimani

    Never knew how interesting the science behind how fireflies was, how exciting!!!

    Reply
  109. Grace

    I loved learning about the fireflies. They are so fun in the summertime.

    Reply
  110. Mollie

    whenever i think of bioluminescent i think of deep sea creatures but i think its cool how fireflys can talk to one another using bioluminescents and i also really liked the experiment also, i used to catch fireflys all the time. My dog ate on once, the song at the end sounds nice

    Reply
  111. Rho

    I love fireflies

    Reply
  112. Ryder

    Fireflies are so crazy they can fly and have bioluminescence, what a cool bug.

    Reply
  113. Dante

    We call them lightning bugs.

    Reply
  114. Jae

    I loved the song at the end.

    Reply
  115. Sean

    I loved watching the experiment.

    Reply
  116. Annabelle

    Wow, fireflies are so cool!

    Reply
  117. Caleb

    I’ve never really thought about how a firefly lights up. It’s interesting to hear about the science behind how it is able to do it.

    Reply
  118. Khayden

    I never knew that bioluminescence was so bright and colorful. I loved the way the fireflies bioluminescence glow at night. I hope you can show us a video about how to catch fireflies. So awsome!

    Reply
  119. Blessing

    I’ve never seen fireflies before but knowing how they work is amazing!

    Reply
  120. Megan

    my brother and i always used to fight over who got to catch the fireflies.

    Reply
  121. Juliann

    Love the song I wish the fireflies would actually chase the hard times away

    Bionic video please🦿🦾

    Reply
  122. Zoey

    I love bioluminescence, especially since I am studying marine biology and currently am studying bioluminescent species of plankton and algae, and how it all works. I really liked it and it was really fun to learn and helpful.

    Reply
  123. Angel

    I like fireflies.

    Reply
  124. Tatianna

    one time my big sister caught a fire fly and I wasn’t scared I said wow instead and this video is sooooo cool!

    Reply
  125. Sophia

    Pajet, can you make a song like that with butterflies?🦋

    Reply
  126. Amwaj

    Fireflies are awesome

    Reply
  127. Liam

    I’ve only seen fireflies once but they were amazing!

    Reply
  128. Juliann

    Fireflies are wonderful I love catching them😸.・゜゜・ ・゜゜・.

    Reply
  129. Nathaniel

    wow fireflies wow cool 🙂 🤯.

    Reply
  130. Isaac

    Fun ☺️

    Reply
  131. Angelina

    I always wondered how fireflies glow

    Reply
  132. Julian

    acellus is the best program I no. and I do not know where I would be if it was not for acellus😘

    Reply
  133. Nikole

    Used to be scared of fireflies, But they’re very interesting.

    Reply
  134. Sophia

    That song almost made me cry .I love fireflies!🥹

    Reply
  135. Julian

    That made me cry.😥

    Reply
  136. Aubrielle

    It is so Fascinating how they glow!!(:

    Reply
  137. Jadalyn

    I love this so much

    Reply
  138. Serenity

    Fireflies light up, and they are cool.

    Reply
  139. Anastasia

    Fireflies are definitely the coolest bug. Can’t wait to see them in the summer!

    Reply
  140. Zandie

    This was a very cool video, I liked the part where they mixed the chemicals together to make it glow!

    Reply
  141. Avery

    I loved learning about fireflies and the chemicals that they use.

    Reply
  142. Nina

    Loved this video about Fireflies! So interesting and the song and video made my mom cry a little, it was so beautiful.

    Reply
  143. Travon

    fireflyes are neat

    Reply
  144. Tshepiso

    the fireflies are so cool.

    Reply
  145. Kashen

    This changes my mind about fireflys this is so cool.

    Reply
  146. Keegan

    I love the pictures of the fireflies

    Reply
  147. Eduardo

    I love the lesson very much. It was very, very cool and the song at the end was very much beautiful and I’d really like science live.

    Reply
  148. Cheyenne

    I didn’t know that fireflies glowed

    Reply
  149. Andyn

    What is the firefly really named for? When was the firefly named? And how do they inspire and what do they represent?

    Reply
  150. Christopher

    I will NEVER look at fire flies the same..lol

    Reply
  151. Jaxon

    I like to catch fireflies, they are so cool.

    Reply
  152. Gaberobinson

    Hi Dr. Roger Billings I like Acellus🦸🏻‍♂️🦸🏻🏇🪖🪖

    Reply
  153. Jayden

    Lighting is also how nitrogen gets into your soil for agriculture! That and or growing beans…

    Reply
  154. Jayden

    I never knew where that phrase had come from!

    Reply
  155. Spirit

    she is my favorte techer

    Reply
  156. Abigail

    Are the bioluminescence that fireflies use the same as the bioluminescence that some creatures deep in the ocean have?

    Reply
  157. Pj

    I wish we had fireflies here. I miss the from where we used to live. Thank you!

    Reply
  158. Inessa

    Wow thats so cool how fireflies glow like that!!

    Reply
  159. Carlos

    Its amazing the way they produce light!

    Reply
  160. Owen

    Very interesting. We hardly have them here in eastern North Carolina like we used to when I was younger.

    Reply
  161. Darrell

    So cool to watch fireflies. So neat to find out why they glow.

    Reply
  162. Adalyn

    This is so cool all the chemicals that make up light in a bug or a lightbulb or anything that glows is so magical

    Reply
  163. Daniel

    The funny fact is that Fireflies glow is like a secret light show they can turn on and off at will! Thanks for teaching us.

    Reply
  164. Mackensie

    This was so cool to hear about!

    Reply
  165. Dylan

    Where do fireflies live? It is cool how they glow, I didn’t know that.

    Reply
  166. Cayden

    It’s really cool how you showed the oxygen in the flask making the flame go again. The stick was just glowing and then ignited further when pushed into the oxygen filled flask!

    Reply
  167. Allison

    Wow fireflies are so awesome!

    Reply
  168. Rafe

    I love fireflies, this was very interesting.

    Reply
  169. Jacob

    That’s amazing guys, thank you for teaching us all of that

    Reply
  170. Sasha

    Fireflies are so cool!

    Reply
  171. Brewington

    How fascinating that fireflies cannot glow in all colors!

    Reply
  172. Julian

    love the chem hope to see it more love it.

    Reply
  173. Coralynn

    Amazing! Yeah. some glow Blue!

    Reply
  174. Jenerrah

    Wow that was something I haven’t seen before!!

    Reply
  175. Isaac

    That was cool!

    Reply

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