Extras

Your Aching Back: A Gift from Your Ancient Ancestors
As Bruce Latimer explains, our evolutionary history has some consequences for our back.
Your Aching Back: A Gift from Your Ancient Ancestors

Episode 3: Your Inner Monkey Preview
Find out which traits our primate progenitors bequeathed to us.
Episode 3: Your Inner Monkey Preview

The 500-Million-Year History of the Human Brain
Biologist Peter Holland shows us how much we have in common with a wormy little animal.
The 500-Million-Year History of the Human Brain

Amazing Places, Amazing Fossils: Lucy
Don Johanson recounts the discovery of an iconic human ancestor in Ethiopia.
Amazing Places, Amazing Fossils: Lucy

Ancient Human Ancestors: Walking in the Woods
"Ardi" changed our understanding of how our ancestors first started walking on two legs.
Ancient Human Ancestors: Walking in the Woods

How Do We Know When Our Ancestors Lost Their Tails?
Paleontologist Holly Dunsworth shows us fossil evidence for the disappearance of our tail.
How Do We Know When Our Ancestors Lost Their Tails?

The Human Hand: A Gift from Ancient Primates
Meet an ancient primate with a hand eerily similar to your own.
The Human Hand: A Gift from Ancient Primates

Meet Your Cousins: Squirrel Monkeys
Our relationship to living primates can be seen in their anatomy and genes.