Uncategorized
- Animals
Silver ant hairs reflect sunlight, keeping Sahara dweller cool
The shiny hairs of the Saharan silver ant simultaneously reflect sunlight and permit the release of body heat, keeping the insects just cool enough to scavenge in the extreme summer sun.
- Astronomy
Big exoplanet may be surrounded by helium
Warm Neptune-sized exoplanet might have atmospheres filled with helium.
- Earth
Fast-spreading crack threatens giant Antarctic ice shelf
A fast-spreading crack threatens Larsen C, one of Antarctica’s biggest ice shelves, satellite data suggest.
- Planetary Science
Evidence mounts for active volcanoes on Venus
The Venus Express orbiter detected possible signs of active volcanism on the planet next door.
- Animals
When baboons travel, majority rules
GPS study suggests baboons use simple rules to resolve travel disputes without leaders.
- Genetics
Ivory DNA pinpoints poaching hot spots
Genetic analysis of ivory DNA reveals major poaching hot spots in Africa.
- Agriculture
Many of Earth’s groundwater basins run deficits
Twenty-one of Earth’s 37 largest groundwater basins are rapidly depleting, satellite data show.
- Anthropology
Kennewick Man’s DNA links him to present-day Native Americans
Genetic analysis of Kennewick Man suggests that the ancient Pacific Northwest man was most closely related to modern Native Americans, not Polynesians.
- Health & Medicine
Curtailing calories on a schedule yields health benefits
Eating an extreme low-calorie diet that mimics fasting just a few consecutive days a month may yield a bounty of health benefits, research suggests.
- Genetics
Ebola continues to shift, but grows no more fatal
In the West African epidemic, Ebola evolved and spread quickly, but the virus is not becoming deadlier over time.
- Animals
How mantis shrimps spar
In ritualized combat between deadly mantis shrimp, blows count but don’t kill.
- Animals
One bold, misinformed spider slows a colony’s ability to learn
Incorrect ideas prove more dangerous in bold velvet spiders than in shyer ones.
