Uncategorized
- Psychology
Bad acts spark a ‘cheater’s high’
Committing low-stakes acts of dishonesty enhances perpetrators’ moods.
- Earth
Buried Saharan rivers might have been early expressways
Humans might have migrated across the arid region along three once-lush waterways.
- Physics
Notorious ‘Big G’ gets a little larger
Gravitational constant is difficult to measure, but physicists calculate with new number.
- Animals
Young insect legs have real meshing gears
Tiny teeth on hiplike structures keep legs in sync, allowing juvenile planthoppers to jump.
- Astronomy
At last, Voyager 1 slips into interstellar space
Solar blast data provides definitive evidence that Voyager 1 has cruised beyond the heliosphere and into interstellar space.
- Health & Medicine
Alzheimer’s disease protein structure may vary among patients
Two people with different symptoms had amyloid-beta fibers with different shapes.
- Animals
Humpbacks make a comeback in British Columbia
Whale numbers double at a feeding site in Canada.
- Health & Medicine
Vaccine stops deadly sand-fly-spread scourge in animal test
A DNA vaccine triggers protection against the sand-fly-borne scourge Leishmania.
- Health & Medicine
Szechuan pepper taps at nerve fibers
The spice makes lips tingle at 50 beats per second, researchers find.
- Microbes
Horsetail spores don’t need legs to jump
Forget legs. A plant uses curly, humidity-controlled ribbons to make epic leaps.
- Animals
Avoiding feces may be ‘luxury’ wild mice can’t afford
For a mouse in the woods, finding any food at all may trump poopy locations.
- Health & Medicine
Fructose may be key to weight gain
Mice that could not make or metabolize the sugar gained less weight than normal mice.
