News
- Earth
The Arctic was once warmer, covered by trees
Pliocene epoch featured greenhouse gas levels similar to today's but with higher average temperatures.
- Animals
Malaria mosquito dosed with disease-fighting bacteria
After thousands of tries, lab gets parasite-carrying insect to catch Wolbachia.
- Psychology
Brain training technique gets a critique
In a new study, a popular style of memory workout leaves reasoning and mental agility flat.
- Health & Medicine
Black women may have highest multiple sclerosis rates
Large study counters common assumption that whites get MS more.
- Humans
Europe is one big family
Continent's ancestry merges about 30 generations ago, genetic study finds
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- Animals
Tongue bristles help bats lap up nectar
High-speed videos capture stretched-out tongue bumps that stretch out so nectar-feeding bats can slurp up their food.
- Earth
Toxic waste sites may cause health problems for millions
Exposures to lead and chromium represent particular problems, study finds in India, Indonesia and Philippines.
- Humans
Human ancestors had taste for meat, brains
A mix of hunting and scavenging fed carnivorous cravings of early Homo species.
- 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.
- 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.
- Humans
Cannibalism in Colonial America comes to life
Researchers have found the first skeletal evidence that starving colonists ate their own.
