All Stories
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Letters to the editor
Ethics of humanized mice The recent stories “Human cells rev up mouse brains” (SN: 4/6/13, p. 16) and “Of mice and man” (SN: 3/23/13, p. 22) drove home to me that human-animal hybrids are now reality. In science fiction stories with such hybrids, a big part of the plot is the resultant ethical gray area: […]
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- 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.
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- 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.
