Uncategorized
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- Space
Super Saturnian storm
The Cassini spacecraft captured images of massive tempest in planet’s northern hemisphere.
- Life
Immune cells function beyond battle
Cells lining the intestines take cues from immune cells and gut bacteria when deciding whether self-defense or metabolism is more important.
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- Climate
Matt Crenson, Reconstructions
In ancient Southwest droughts, a warning of dry times to come.
- Humans
Matt Crenson, Reconstructions
Tools tell a more complicated tale of the origin of the human genus.
- Health & Medicine
Coffee delivers jolt deep in the brain
Caffeine strengthens electrical signals in a portion of the hippocampus, a study in rats finds.
- Humans
Two feet or four, software is the same
All walking animals use the same basic nerve patterns to put one leg in front of the other(s).
- Psychology
Babies may benefit from moms’ lasting melancholy
Fetuses pick up on maternal depression and thrive after birth if mothers don’t get better, a new study suggests.
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Nemesis: Searching for the sun’s deadly companion star
Read the full article (PDF) | Vote on future topic | Search archives September 1, 1984 | Vol. 126 | No. 9 Nemesis: Searching for the sun’s deadly companion star If the sun is not a member of a binary or multiple star system, it is among the minority of stars. Yet if the sun has a […]
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Letters
Clocking neutrinos In response to “Hints of a flaw in special relativity” (SN: 10/22/11, p. 18): When supernova 1987a was detected in the Large Magellenic Cloud (a distance of roughly 168,000 light-years) an influx of neutrinos was detected simultaneously (or nearly so) in Japan, the United States and Russia. Had these neutrinos traveled at the […]
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SN Online
LIFE Schooling fish stay together by focusing on neighbors rather than the group. See “School rules.” Gustavo Hormiga Spiders known for their web architecture can trace their lineage to one crafty ancestor that lived 200 million years ago. See “The origin of orbs.” BODY & BRAIN Scientists have pinpointed what makes hearing nails on a […]
