Feature
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AstronomySupernova Spectacular
Studying starburst galaxies, relatively nearby galaxies that are undergoing a tremendous rate of star formation, may reveal how elliptical galaxies arose and black holes grew in the early universe.
By Ron Cowen -
LifeAll the World’s a Phage
There are an amazing number of bacteriophages—viruses that kill bacteria—in the world.
By John Travis -
HumansUdder Beauty
Sophisticated screening of livestock championship winners may become as common as urine tests of Olympic athletes.
By Janet Raloff -
AnthropologyThe Ultimate Colonists
Human ancestors managed to adjust to life in a variety of ecosystems during the Stone Age, indicating that their social lives were more complex than they've often been given credit for.
By Bruce Bower -
Materials ScienceMicrobial Materials
Microorganisms can be coaxed into producing high-tech components and can themselves serve as valuable ingredients in new classes of materials.
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PhysicsThrough the Looking Glass
A proposed universe of unseen material, where every ordinary particle has a shadowy counterpart, could explain several conundrums in cosmology.
By Ron Cowen -
AnthropologyThe Forager King
A celebrated anthropologist surprises and inspires his biographer.
By Bruce Bower -
AnimalsLife Without Sex
The search is on for creatures that have evolved for eons without sex.
By Susan Milius -
AstronomyMystery in the Middle
The Milky Way's core is loaded with seemingly young stars, which have no business being there.
By Ron Cowen -
Health & MedicineTarget: Celiac Disease
With the aim of releasing people with celiac disease from a strict, lifelong diet that lacks the wheat protein gluten, researchers are working to identify molecular targets that could block the disease’s hallmark, the degeneration of the lining of the small intestine.
By Ben Harder -
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EarthNew Concerns about Phthalates
Boys may face an eventual reproductive risk from exposure to some of the ingredients that go into many common plastics, cosmetics, and medical supplies.
By Janet Raloff