Feature
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All kinds of tired
Donkeys sleep about three out of each 24 hours. Certain reef fish spend the night moving their fins as if swimming in their sleep. Some biologists argue that all animals sleep in some form or another. But identifying sleep can get complicated. Insects have brain architecture so different from humans’, for example, that electrophysiological recordings […]
- Space
Windows on the Universe
Astronomy’s multiwavelength revolution paints a more complete picture of the cosmos
- Life
Enter the Virosphere
As evidence of the influence of viruses escalates, appreciation of these master manipulators grows.
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- Particle Physics
Interview: Murray Gell-Mann
The scientist who developed quark theory turns 80 today. To mark the occasion, Science News presents an extended interview with the physicist.
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Desperately Seeking Moly
Unreliable supplies of feedstock for widely used medical imaging isotope prompt efforts to develop U.S. sources.
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Hunting Hidden Dimensions
Black holes, giant and tiny, may reveal new realms of space.
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Broken Symmetry
Scientists seek mechanisms explaining development of the body’s left-right pattern.
- Earth
Danger in the Air
To minimize the threat of volcanic ash plumes to aircraft, scientists are improving methods of satellite detection and developing ground-based gas and ash-plume sensors to monitor volcanic activity.
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Little by Little
As food allergies proliferate, new strategies may help patients ingest their way to tolerance.
- Psychology
Morality Play
Universal concerns, not cultural values, may shape kids’ developing notions of right and wrong.
- Space
The Status Quark
Murray Gell-Mann reflects on matter’s building blocks and scientists’ resistance to new ideas.
