Uncategorized
- Health & Medicine
Light pot smoking easy on lungs
Infrequent marijuana users show a slight improvement in breathing capacity and middling smokers had no change, a 20-year study shows.
By Nathan Seppa - Space
New maps of the cosmic dark
Probing galactic distortions reveals web of invisible matter.
By Nadia Drake - Life
Crabs hither, shrimp thither
Biologists document surprising differences among deep-sea animals at hydrothermal vent fields.
- Life
Green gleam helps fish see violet
A deep-sea fish's eyes apparently use fluorescence to pick up hard-to-detect hues, researchers conclude.
By Susan Milius - Life
Rhino beetle’s horn may be cheap
Outrageous-looking head spikes on the male of the species may not cost much in evolutionary terms.
By Susan Milius - Psychology
Europeans’ heartfelt ignorance
Many people in nine countries don't know how to recognize or react to heart attacks and strokes.
By Bruce Bower - Earth
Recirculation aided Gulf plume’s degradation
Two new studies help explain fate of pollutants released in the biggest offshore spill in U.S. history.
By Janet Raloff - Life
Eight-legged evolution exploits editing
Octopuses adapt to water temperature with tweaks to how genes are copied, not DNA itself.
- Life
Three monkeys a genetic mishmash
Feat suggests embryonic stem cells are less flexible in primates than mice.
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- Health & Medicine
Drug gives rats booze-guzzling superpowers
Rodents that consume alcohol along with a compound derived from an ancient herbal remedy get less drunk, recover faster and appear less prone to addiction.
- Humans
Botanists et al freed from Latin, paper
As of January 1, people who classify new plant, algae and fungus species can do it in English and online.
By Susan Milius