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When Fish First Breathed Air

When Fish First Breathed Air

Season 1 Episode 46
8:40
Dinosaurs

How the T-Rex Lost Its Arms

Season 1 Episode 47
6:54
FAQs From Our First Year

FAQs From Our First Year

Season 1 Episode 48
9:20
When Insects First Flew

When Insects First Flew

Season 1 Episode 49
8:38
When Fish Wore Armor

When Fish Wore Armor

Season 1 Episode 51
9:37
When Birds Had Teeth

When Birds Had Teeth

Season 1 Episode 52
11:29
When We First Walked

When We First Walked

Season 1 Episode 57
10:56
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Eons

Where Did Viruses Come From?

Season 1 Episode 45

There are fossils of viruses, of sorts, preserved in the DNA of the hosts that they’ve infected. Including you. This molecular fossil trail can help us understand where viruses came from, how they evolved and it can even help us tackle the biggest question of all: Are viruses alive?

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Season
Our Ancient Relative That Said 'No Thanks' To Life On Land
8:59
While some fishapods were crawling out of water, others were diving right back in.
Where Did Water Come From?
10:17
We think our water came from unlikely sources: meteorites, space dust, and even the sun.
The Fungi That Turned Ants Into Zombies
8:13
This fungus was actually manipulating ants’ and forcing strange movements.
How Whale Evolution Kind Of Sucked
9:49
We explore the origin of the Mystacodon, what we know today as baleen whales.
Did An Ancient Pathogen Reshape Our Cells?
7:40
There is one group of mammals that doesn’t have alpha-gal catarrhine primates.
Why Does Caffeine Exist?
8:29
It started with the production of one specific molecule and its ability to evolve.
How Plate Tectonics Transformed Los Angeles
12:34
The epic saga of Los Angeles' natural history is still visible and even striking.
When Giant Millipedes Reigned
7:02
Let's explore how and why this millipede became this big!
Giant Viruses Blur The Line Between Alive and Not
9:19
In 2003, microbiologists made this huge discovery.
Something Has Been Making This Mark For 500 Million Years
9:42
Paleodictyon, a hexagonal-patterned fossil, is a bit of a mystery. What could it be?
We Can “Bring Back” The Woolly Mammoth. Should We?
6:40
We may have found the blueprints for building them ourselves.
Is This The Oldest Dad In The Fossil Record?
6:37
Diictodon used burrows to breed and a male parent may have stayed behind to feed it.
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