Uncategorized
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SpaceNew hints of saltwater on Mars
Seasonal patterns consistent with briny seeps on the Red Planet, a new study concludes.
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LifeHow exercise benefits nerve cells
Activity stimulates production of a neural insulation that moves messages faster.
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Health & MedicineUrine test may improve prostate screening
Levels of two biomarkers might clarify whether a man with an iffy PSA score needs to get a biopsy, a study finds.
By Nathan Seppa -
LifeLife
Flowery advertising, tempting toilets for shrews, bat beacons and more in this week’s news.
By Science News -
SpaceAtom & Cosmos
Trojan asteroids, black hole interactions and a gargantuan watering hole in this week’s news.
By Science News -
Materials ScienceNow, an invisibility cloak you can see
Physicists have developed a device that can hide objects in visible wavelengths.
By Devin Powell -
LifeA cougar in Connecticut
Using DNA and trailside cameras, wildlife biologists retrace the 18-month, 2,000-mile journey of a young male cat.
By Nadia Drake -
LifeWasp has built-in Facebook
An insect species with a tricky social life has a special facility for telling one bug's mug from another.
By Susan Milius -
In ancient Southwest droughts, a warning of dry times to come
Anything but lush, the U.S. Southwest has been especially parched lately. About a decade ago a cycle of droughts began; the latest one has dried much of the region to a degree that meteorologists expect only twice a century. But look back a millennium or more, and you’ll find signs that today’s conditions are not […]
By Matt Crenson -
LifeDNA switches tied to non-Hodgkin lymphoma
Genetic defects lead to altered activity in other genes.
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ChemistryMolecules/Matter & Energy
Clear batteries, mucus busters, a 3-D invisibility cloak and more in this week's news.
By Science News -
TechCracked sewers bleed fecal germs
Studies follow leaks into waterways and drinking supplies.
By Janet Raloff