How the Egg Came First

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The story of the egg spans millions of years, from the first vertebrates that dared to venture onto land to today’s mammals, including the platypus, and of course birds. Like chickens? We’re here to tell you: The egg came first.

Thanks to Fabrizio de Rossi for the Hylonomus and Casineria illustrations!

Super special thanks to the following Patreon patrons for helping make Eons possible:
Anthony Callaghan, Anton Bryl, Jeff Graham, shelley floryd, Laura Sanborn, Henrik Peteri, Zachary Spencer, Chandler Bass, Richard Ohnemus, Joao Ascensao, Andrey, Ben Thorson, Marcus Lejon, Ilya Murashov, Nathan Paskett, Jerrit Erickson, Merri Snaidman, David Sewall, Gabriel Cortez, Jack Arbuckle, Kevin Griffin, Robert Noah, Philip Slingerland, Todd Dittman, James Bording, Eric Vonk, Robert Arévalo, Esmeralda Rupp-Spangle, Jon Monteiro, Missy Elliott Smith, Jonathan Wright, Gregory Donovan, Miles Chaston, Michael McClellan, PS, Maria Humphrey, Larry Wilson, Hubert Rady, John Vanek, Tsee Lee, Daisuke Goto, Gregory Kintz, Matt Parker, Tyson Cleary, Case Hill, Stefan Weber, Betsy Radley

Want to follow Eons elsewhere on the internet?

[redmadhatter]

Find yourself somebody who loves you the same way the Eons editor loves that one stock clip of the DNA gels getting lined up

[destree]

Finally... someone who is actually trying to answer the question with science

[joeywall]

Your channel and work have enriched my life so much. I'm 40, feeling like an astonished 7 year old in the 80s again.

[GrizzlyO]

This dude is buff with knowledge, his muscles look smart.

[jonvelz]

Man the Eons guy got buff as heck. Thats the kind of physique you get from lifting dinosaur bones all day.

[JustSomeKittenwithaGun]

Every other video: "I am commenting on something relevant to the topic."

Comments here: *my boy swole*

[yanheere]

Half of the comments: Wow so the egg came first. Neat.
Other half of the comments: Dayumm, my boi Blake looking SWOLE AF!

[lefleurdulmal]

Could you guys do an episode of the unique fauna that existed on India back when it was a detached subcontinent?

[Snafuuu]

this guy gets more buff every episode
Edit: someone please stop this man. no one should be allowed to possess that much knowledge of the ancients AND have the physique of Zeus himself

[arturo_cruz]

I'm australian, and i still have a hard time believing platypuses are real.

[ccostah]

Hi! My student uploaded a few weeks ago subtitles in Portuguese for this video, translated by us. I hope they can be available soon, so we can share to more people who don't understand English. Thank you for your amazing work!

[parmaxolotl]

Eons: How the egg came first
Me: finally, a break from all this Coronavirus drama!
Eons: pregnancy came from a virus
Me:

[ryomahoffman]

Philosophy: “ what came first the chicken or the egg? We will never know.”
Biology: “actually”

[flyingostrich]

Drinking game: play all the Eons episodes in order, drink every time they show that one stock clip of the DNA gels getting lined up.

[psmayaps]

can you believe our favorite paleontology show host has been getting even more jacked during quarantine

[marcelw]

I'm going to use this video to start a needless and heated argument.

[hailmammonmoments]

Damn. Sometimes I actually need to take a moment to process how genuinely random natural history is.

[TonyMotherfuckinLee]

pretty soon he's going to be all oiled up wearing tank tops while telling us about the first panda ever

[rcgal]

Everyone talking bout the host's muscles while there's me wondering.

"if an ancient virus helped mammals stop laying eggs, what kind of superpowers would covid give me?"

[crazikyle]

I love history and evolution. Time spans I cannot comprehend, all these random little mutations that somehow change the course of life itself, and how they all leave a story is just so fascinating.