News
- Microbes
The secret to icky, sticky bacterial biofilms lies in the microbes’ cellulose
Bacteria use a modified form of cellulose to form sticky networks that can coat various surfaces.
- Anthropology
Hunter-gatherer lifestyle could help explain superior ability to ID smells
Hunter-gatherers in the forests of the Malay Peninsula prove more adept at naming smells than their rice-farming neighbors, possibly because of their foraging culture.
By Bruce Bower - Materials Science
Ultrathin 2-D metals get their own periodic table
A new atlas of atom-thick metals could help researchers figure out how these 2-D materials might be used.
- Animals
The mystery of vanishing honeybees is still not definitively solved
The case has never been fully closed for colony collapse disorder, and now bees face bigger problems.
By Susan Milius - Health & Medicine
Evidence grows that normal childbirth takes longer than we thought
Another study finds that labor lasts longer than is traditionally taught — an insight that could mean fewer unnecessary cesarean deliveries.
- Anthropology
DNA solves the mystery of how these mummies were related
Two ancient Egyptian mummies known as the Two Brothers had the same mother, but different dads.
By Bruce Bower - Paleontology
Tiny scales in ancient lagoon may be the first fossil evidence of the moth-butterfly line
Fancy liquid-sipper mouthparts might have evolved before the great burst of flower evolution
By Susan Milius - Astronomy
Trio of dead stars upholds a key part of Einstein’s theory of gravity
A cosmic test fails to topple the strong equivalence principle.
- Astronomy
Pollution is endangering the future of astronomy
Astronomers discuss multiple threats from pollution that will make it harder to observe the night sky.
By Dan Garisto - Climate
Rising CO2 in lakes could keep water fleas from raising their spiky defenses
Rising CO2 in freshwaters may change how predators and prey interact in lakes.
- Health & Medicine
Not all strep infections are alike and it may have nothing to do with you
Add-on genes in some bacteria shape the way strains interact with the immune system.
- Astronomy
Fast radio bursts may be from a neutron star orbiting a black hole
A repeating fast radio burst has twisted waves, suggesting its home has an unusually strong magnetic field.