Uncategorized
- Space
Chemical fingerprint found for planet hunting
The amount of lithium in the atmosphere of sunlike stars is a powerful indicator of whether such stars have planets, a new study reveals.
- Paleontology
Small ancestor of giant sauropods unearthed
Fossils suggest that the bipedal dinosaur occasionally walked on all fours and could open its mouth wide to gather foliage.
- Health & Medicine
The childhood nerve cancer neuroblastoma shows weakness
A compound that unshackles a tumor-suppressing protein called p53 can slow the growth of the malignancy in mice, a new study finds.
- Space
The Milky Way, aglow with activity
Combining infrared and X-ray images from three orbiting observatories, NASA has unveiled a never-before-seen composite portrait of the Milky Way’s bustling center.
- Earth
Asteroid impact could have stirred the ocean
Model offers one explanation for sudden change in deep-ocean chemistry almost 2 billion years ago.
- Anthropology
Macaws bred far from tropics during pre-Columbian times
Colorful birds possibly raised for ceremonial and trade purposes long before Spanish arrival
- Physics
Invisibility Uncloaked
In the race to make things disappear, scientists gain ground on science fiction.
- Life
Hormones give lantern sharks the glow
In a first, a study shows that bioluminescence can be controlled by slow-acting hormones, not rapid-fire nerve cells.
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Parents’ obesity may affect children’s brains; beetle with bifocals
More news from the Society for Neuroscience meeting.
- Space
Signature of antimatter detected in lightning
The signature of positrons has been found for the first time in gamma rays associated with storms on Earth.
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Aping the Stone Age
Chimp chasers join artifact extractors to probe the roots of stone tools.
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