News
- Animals
Winged robots may shed light on fly aerobatics
After years of trying, researchers create flapping machines that can hover and perform rudimentary flight maneuvers.
- Health & Medicine
Allergy, asthma less frequent in foreign-born kids in U.S.
But protection from some immune conditions fades after a decade, a study finds.
- Humans
Cannibalism in Colonial America comes to life
Researchers have found the first skeletal evidence that starving colonists ate their own.
- Physics
Counting cracks in glass gives speed of projectile
There is a simple relationship between an object's velocity and the number of spokes it leaves in a dinged windshield or fractured windowpane.
