Новости за 15.08.2015

Until the end of the last ice age, American cheetahs, enormous armadillolike creatures and giant sloths called North America home. But it's long puzzled scientists why these animals went extinct about 10,000 years ago.

Giving patients more control may prove a critical fix for the U.S. health care system.

Vitamin K can save your baby's life, do not refuse the shot.