Skip to main content

Up Next

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
Back to Show
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?

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Season
How Chilis Got Spicy (and Why We Love the Burn)
9:32
Learn about the History and Evolution of the Red (and other) Hot Chilli Peppers.
How Humans Became (Mostly) Right-Handed
8:36
Learn Why Being Right-handed May Have Deep Evolutionary Roots In Our Lineage.
How Worm Holes Ended Wormworld
9:42
How the Ancient Wormworld Met its Fate by its Own Design.
Our Bizarre, Possibly Venomous, Relative
8:11
Explore The Story Of Venomous Mammals, Both Living And Extinct.
The Genes We Lost Along the Way
12:01
This is the journey of our DNA through Time and Space.
The Return of Giant Skin-Shell Sea Turtles
6:53
Sea Turtles, Past And Present.
When We First Talked
11:13
The Evolution of Our Ability to Speak.
The Pandemic That Lasted 15 Million Years
9:20
The Pandemic that Lasted 15 Million Years
The Reign of the Hell Ants
10:09
Explore The History And Disappearance Of The Hell Ants.
The Bear-Sized Beaver That Couldn’t Build A Dam
7:32
Today's Beavers Are Pretty Special And Here's Why.
The Triassic Reptile With "Two Faces"
10:11
History Of This Two-faced Creature And What It Can Teach Us About Mass Extinction.
When the Earth Suddenly Stopped Warming
10:21
The Heated Debate Around Younger Dryas.
Active loading indicator