Uncategorized
- 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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- Health & Medicine
Smallpox — The Death of a Disease
The Inside Story of Eradicating a Worldwide Killer, by D.A. Henderson.
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National Geographic Concise History of Science and Invention: An Illustrated Time Line by Jolyon Goddard, ed.
Photos, illustrations and essays trace the progress of discovery from ancient times to modern days. National Geographic, 2009, 352 p., $40. NATIONAL GEOGRAPHIC CONCISE HISTORY OF SCIENCE AND INVENTION: AN ILLUSTRATED TIME LINE EDITED BY JOLYON GODDARD
