Uncategorized
- Astronomy
Supernova hurls star out of the galaxy
The fastest-moving star to leave the Milky Way might have been launched by a nearby exploding star.
- Animals
Killer whales follow postmenopausal leaders
Taking the lead on salmon hunts may be postmenopausal killer whales’ way of sharing their ecological knowledge.
- Health & Medicine
Hepatitis E vaccine shows strong coverage
A large trial in China indicates that a vaccine can provide 87 percent protection against the hepatitis E virus, which infects 20 million people a year.
- Health & Medicine
Dose of extra oxygen revs up cancer-fighting immune cells
Extra oxygen helps immune cells shrink tumors in cancer-ridden mice.
- Humans
Ancient jaw may hold clues to origins of human genus
A 2.8-million-year-old fossil from Ethiopia raises questions about the origins and evolution of the human genus, Homo.
- Physics
Why lattes are less prone to spills than regular coffee
Foam dampens liquids’ sloshing, keeping keeps lattes and beer from spilling so easily, researchers find.
- Earth
Volcanic lightning forges tiny glass balls from airborne ash
The lightning that crackles through volcanic plumes can melt ash into tiny glass beads.
- Astronomy
Hundreds of galaxies seen in a new 3-D view of the universe
A new instrument lets astronomers measure the distances to hundreds of galaxies at once, looking back across the age of the universe.
- Neuroscience
Brain cells predict opponent’s move in game-playing monkeys
Newly discovered brain cells help monkeys predict whether a companion will cooperate.
- Plants
Tropical plant knows whose bill is in its flowers
A rainforest plant avoids inbreeding by accepting pollen only from hummingbird species that must travel to reach it.
- Quantum Physics
Trying to get the down-low on gravity
A twist on a classic quantum mechanics experiment could lead to the discovery of elusive gravitons.
- Health & Medicine
Secondhand smoke exposure in womb linked to eczema in childhood
Secondhand smoke exposure in the womb may heighten risk of eczema and other dermatitis in children, a study finds.
