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It has to do with where the fat is distributed in their bodies.
2:45
Learn why eagles have the sharpest eyesight of any vertebrate animal.
6:48
The discovery of leptin transformed our view of fat.
4:51
Cuban lung cancer vaccines offer new hope.
2:36
Watch how a printing press works.
3:04
Learn about the preparation and use of parchment paper in medieval Europe.
4:04
In the Wardaman Creation Story, all the plants and animals of the world were once people.
3:56
Learn why Egyptian hieroglyphs are hiding in modern alphabets—and how to find them.
5:59
Can an antibody blood test tell if you are immune to COVID-19?
8:18
Hear what it’s like to be a vet for wild animals.
3:03
If the vaulting collapses, the weight of the buttresses will push in the 100-foot walls.
6:00
Gorongosa National Park was once one of the most species-rich places in Africa.
