Energy drinks, giants of the sea, Sherpa superpowers and more

(Silverback Films/BBC)

stories from this episode

Why did whales get supersized so superfast?

Why some whales became super-sized was a mystery that now has an answer.
Listen 7:54
What science says about the risks of energy drinks

South Carolina teen death renews concerns about the safety of energy drinks.
Listen 15:36
Sherpas' high-altitude superpowers

Genetic changes make it possible for Sherpas to excel at high altitudes.
Listen 10:28
Out of Africa? Or out of Europe for the birthplace of humanity

A fossilized tooth and jawbone point to Europe, not Africa, for the emergence of our ancestors.
Listen 7:11
Do I look fat in this face?

An experiment shows that people think their faces look fatter than they really are.
Listen 6:53
Quirks & Questions: Do other animals have different blood types?

Yes, as a matter of fact they do.
Listen 2:19