Uncategorized
- Humans
DNA tracks ancient Mediterranean farmers to Scandinavia
Modern genetic profile emerged from mating with resident hunter-gatherers, a new study suggests.
By Bruce Bower - Health & Medicine
Test drug eases behavioral symptoms seen in autism
In mouse experiments, the compound curbs repetitive behaviors and improves sociability.
- Health & Medicine
Snakes swirl in blink (and jump) of an eye
The Rotating Snakes optical illusion is preceded by blinking and tiny ocular movements, a new study shows.
- Life
Larvae sustain comb jelly population
Species thrives in Baltic Sea despite never reaching adulthood.
- Space
Earth took a multibillion-year beating
Asteroids pummeled the planet for billions of years as the Late Heavy Bombardment tapered off, new estimates suggest.
By Nadia Drake - Health & Medicine
Pinpointing the G-spot, or not
A gynecologist claims to have anatomical evidence of a center of female sexual pleasure, but noted sex researchers are skeptical.
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Brain not required for antidepressant to act
In brewer’s yeast, the drug sertraline distorts membranes and triggers a self-cannibalizing process.
- Life
Albatross forage with fractal-like flight
New data offer support for a modified mathematical pattern in birds’ hunting behavior.
By Devin Powell - Life
Bacteria, insects join forces against pesticide
Microbes in gut, rather than genetic changes, allow insects to develop chemical resistance.
By Devin Powell - Earth
Arctic sea emits methane
Source of climate-warming gas remains uncertain, but might be microbes.
By Janet Raloff -
- Psychology
Two heads sometimes better than one
Group decisions rise or fall based on what the most confident member knows or doesn’t know.
By Bruce Bower