News
- Life
Brain chemical influences sexual preference in mice
Males lacking the neurotransmitter serotonin court both sexes equally, researchers are surprised to find.
- Life
Who felt it not, smelt it not
A genetic defect in a crucial protein stops both pain and smells from reaching the brain.
- Life
Fruit-eating fish does far-flung forestry
Overfishing may be robbing trees in the Amazonian floodplain of vital seed dispersers.
- Space
Laser proposed to deflect space junk
A ground-based device would use light to push debris off a collision course.
- Plants
From a mismatch in growth, a flower blooms
Scientists reveal the forces at work in the blossoming of a lily.
- Life
Computer chips wired with nerve cells
Experiments could lead to ways of melding minds with machines.
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- Space
MESSENGER eases into Mercury’s orbit
After three flybys, a NASA spacecraft settles in for a closer look at the first planet.
- Chemistry
A bit of fiber makes for sudsier beer
An understanding of bubbly beginnings points to a new way to foam up slow-pouring stout brews.
- Life
In evolution, last really can be first
By tracking bacteria for thousands of generations, researchers show how small DNA changes can eventually put underdogs on top.
- Archaeology
Pueblo traded for chocolate big-time
New evidence of ancient Pueblo cacao drinking feeds a theory of long-distance trade.
- Humans
Record ozone thinning looms in Arctic
Depletion could expose the northern midlatitudes to higher-than-normal ultraviolet radiation in coming weeks.
