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Does Size Really Matter? (In Physics)

2025-04-17 Science & Technology
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StarTalk
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Description

Is there a limit to how small life can be? Or how big? Neil deGrasse Tyson and Chuck Nice break down scaling in physics, explain why small animals are so strong relative to their size, and why you can’t have a being the size of a galaxy. Timestamps: 00:00 - Introduction: Size Matters 00:27 - Small But Mighty 6:55 - Why Does Water Bead Up? 11:11 - What’s the Smallest Life You Could Possibly Have? 13:14 - Larger Than Life: Getting Too Large 15:35 - Physics of Life Check out our second channel, @StarTalkPlus Get the NEW StarTalk book, 'To Infinity and Beyond: A Journey of Cosmic Discovery' on Amazon: https://amzn.to/3PL0NFn Support us on Patreon: https://www.patreon.com/startalkradio FOLLOW or SUBSCRIBE to StarTalk: Twitter: http://twitter.com/startalkradio Facebook: https://www.facebook.com/StarTalk Instagram: https://www.instagram.com/startalk About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #NeildeGrasseTyson

Top Comments (10)

@thadmano9782 2025-04-18

So when she asks, "Does it get any bigger?" I can confidently say the universe wouldn't allow it.

1.4k 32 replies
@jsquared_0 2025-04-17

thanks for giving me an honest answer, unlike my wife.

966 43 replies
@mil3761 2025-04-17

Neil was genuinely speechless when Chuck asked about Spiderman. That was so funny 😂

446 19 replies
@StarTalk 2025-04-17

What's one species you definitely don't want getting any bigger?

407 293 replies
@DragonTigerDude 2025-04-17

Us In an alternate universe. "Neil Degrasse Tyson here your, personal gym trainer. Bidding you to keep working out. "

258 3 replies
@tainoskater 2025-04-20

I gotta stop smoking weed and watching star talk at the same time. Conversation had me trying to talk to ants about quantum physics.

252 19 replies
@KarlRoyale 2025-04-17

The question about spiderman 5:08 almost broke Dr. Tyson.

228 7 replies
@mindnut 2025-04-17

The real subject of the video: "How to Write a Perfect YouTube Title!"

149 2 replies
@ge6549 2025-04-25

@5:08 That Spiderman question left him speechless. I have never seen that man lost for words, he's always had an answer... Why did you reset that man?

110 11 replies
@TPCV2 2026-05-09

Oh man... "Them" is SO good though

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