545 Results

7 DIY Treatments to Avoid the Doctor

The Martians Are Coming—and They’re Human

How settling Mars could create a new human species.

Natural Selection in an Outbreak

Every time a disease spreads, it has another chance to mutate.

Only Street Dogs Are Real Dogs

Purebreds don’t satisfy the biological definition of a species.

The Trouble with Milk

Only 1 in 3 people have evolved tolerance to lactose.

Plastic Is the Ocean’s New Junk Food