Uncategorized
-
- 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.
- Earth
Spinning the Core
Laboratory dynamos attempt to generate magnetic fields the way planets and stars do.
-
- 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.
- Animals
Deep-sea worms drop acid to get dinner
Bone-eating worms produce chemicals to dissolve and feed on skeletons.
- 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.
- Tech
Recreating the eye of the fly
Inspired by insect vision, camera with 180 linked lenses captures panoramic views.
- Animals
Fossil illuminates ancestry of swifts and hummingbirds
Spectacularly preserved remains suggest that the two avian groups' predecessors got small before splitting and developing their flying chops.
- Life
Genetic fossils betray hepatitis B’s ancient roots
Modern bird genomes reveal evidence that virus is at least 82 million years old.
- Space
Snapshots reveal details of Saturn’s gigantic hurricane
Storm dwarfs anything on Earth, with enormous eye and whipping winds.
