One day, these tiny leopard tortoises will weigh more than 100 pounds - but first, they're going to have to eat a lot of watermelon. Want to know more about the cute vegetarians? Watch here.
Researchers recently explored hydrothermal vents in the Gulf of California, up to 4,000 meters deep. DW spoke with marine biologist Greg Rouse about what kind of creatures live down there and how they manage to survive.
The US state of Louisiana has funded a program to slaughter nutria, or swamp rats, laying waste to the coastline. The animals eat the roots of swamp vegetation to the point they have no chance of growing back.
Following the 100th anniversary of the death of the "German Darwin," researchers have distanced themselves from the classification of humans into races. Scientific decency should preclude using the term "race," they say.
Violent people are often the product of violent surroundings. But genetics can play a role, too. Traumatic experience can be passed down from generation to generation — and manifest itself in violent outbreaks.
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