News
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- Paleontology
Flexible molars made chewing champions out of duck-billed dinosaurs
Tiny scratches in the fossilized teeth of Edmontosaurus suggest what these large herbivores ate and how they ate it.
- Life
H1N1 racks up frequent flier miles
Analyzing global flight paths may help researchers track pandemics, as a new study on H1N1 shows.
- Earth
Dirty snow may bring green burst to mountain peaks
Dust blowing in from distant deserts speeds the melting of snow and may shake up ecosystems on the slopes.
By Susan Milius - Life
Protein protects sperm in mice
A protein called GPX5 helps protect sperm from oxidative damage. The finding could help prevent birth defects.
- Health & Medicine
Rheumatoid arthritis drug clears hurdle
Anti-inflammatory injections of golimumab work in people with rheumatoid arthritis who failed to improve on other meds.
By Nathan Seppa - Planetary Science
Losing Louisiana
A new model predicts that rises in sea level, combined with subsiding lands, will claim a tenth of the state by century’s end.
By Sid Perkins - Earth
Ozone hole trims polar water’s CO2-absorbing power
Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification. Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification
By Sid Perkins - Animals
Bat face shapes sound
An oversized appendage in Bourret’s horseshoe bats may aid in long-distance signals.
- Life
Beetle philandering doesn’t work out for the ladies
A common idea about the benefits of multiple matings for females turns out to be wrong for seed beetles.
By Susan Milius - Space
Baby Milky Way modeled
Researchers unveil state-of-the-art simulation of galaxy formation.
By Ron Cowen - Astronomy
Saturn’s moon may host an ocean
Geysers on Saturn's moon Enceladus could have delivered sodium from its underground ocean and into the planet's E ring
By Ron Cowen