Season 3

Video thumbnail: Eons When a Billion Years Disappeared

Eons

When a Billion Years Disappeared

Some rocks below the Great Unconformity are 1.2 billion years older than those above it.

When a Billion Years Disappeared

Video thumbnail: Eons How Dogs (Eventually) Became Our Best Friends

Eons

How Dogs (Eventually) Became Our Best Friends

It took thousands of years of interactions to develop our deep bond with dogs.

How Dogs (Eventually) Became Our Best Friends

Video thumbnail: Eons How the Egg Came First

Eons

How the Egg Came First

We’re here to tell you: The egg came first.

How the Egg Came First