There Was No First Human

Sell this Sizzle not the Sausage? Find Out How.

No, YOUR grandfather was a fish.
↓ More below ↓

If you traced your family tree back 185 million generations, you wouldn’t be looking at a human, a primate, or even a mammal. You’d be looking at a fish. So where along that line does the first human show up? The answer may surprise you.

Inspired by Richard Dawkins’ “The Magic of Reality”
Also check out Richard Dawkins’ “The Ancestor’s Tale”

Images of prehistoric species used in this episode:
Tiktaalik, Procunsul, Plesiadapsis, Juramaia, Hylonomus – by Nobu Tamura (
Homo erectus (by Tim Evanson)


Have an idea for an episode or an amazing science question you want answered? Leave a comment below!

Follow me on Twitter: @jtotheizzoe
Email me: itsokaytobesmart AT gmail DOT com
For more awesome science, check out:

Joe Hanson – Host and writer
Joe Nicolosi – Director
Amanda Fox – Producer, Spotzen Inc.
Kate Eads – Associate Producer
Katie Graham – Director of Photography
Andrew Matthews – Editor and motion graphics
John Knudsen – Gaffer

“Ouroboros” by Kevin MacLeod

Produced by PBS Digital Studios:

Last week’s video: The Science of Marathon Running –

More videos:
How The Elements Got Their Names –
The Most Important Science Images –
Science Fiction as Science Fact –
The Scale of the Universe –

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