5,012 results
- Humans
Group size affects racial makeup of friend groups
Larger settings seem to promote segregation, simulation finds.
- Humans
Obama unveils brain science program
Initiative would develop tools to measure coordinated neuron activity.
- Chemistry
Gold-digging microbe
By spitting out a molecule, a bacterium draws solid gold out of solution.
- Humans
Web searches for money words anticipate market moves
Dow drops follow weeks when more people search Google for ‘debt’ or ‘stocks.’
- Humans
International Conference on Complex Sciences
Researchers at the meeting, held December 5-7 in Santa Fe, N.M., offer insight into spam blocking and sick leave.
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Dreamland: Adventures in the Strange Science of Sleep by David K. Randall
A journalist with unusual sleep habits seeks to learn why we slumber and how sleeping — or not — affects thoughts, behavior and health. W.W. Norton & Co., 2012, 290 p., $25.95
- Math
A field where breakthroughs are hard to come by produces two big advances on a single day
Problems in number theory often have a certain exasperating charm: They are extraordinarily simple to state, but so difficult to prove that centuries of effort haven’t sufficed to crack them. So it’s pretty remarkable that on one day this May, mathematicians announced results on two of these mathematical conundrums. Both proofs address one of the […]
- Space
Moon probes set for smashing end
NASA to guide gravity-seeking spacecraft into the side of a lunar cliff.
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Science Past from the issue of November 3, 1962
PAST-SEEKING CAMERA — A camera that can “see” what already has happened as well as what is happening may have provided the United States with information on missile bases in Cuba…. Special photographic plates are sensitive to heat (infrared) radiation and the past presence of objects is shown differentially. This is only one of the […]
- Psychology
Light found in cocaine addiction tunnel
Using lasers, scientists target a sluggish set of neurons in rats to ease drug compulsion.
- Health & Medicine
Some service members sleep too little
Of active-duty military personnel seeking help for sleep complaints, two-thirds get six or less hours per night.
- Science & Society
Top 25 stories of 2013, from microbes to meteorites
This year, careful readers may have noticed a steady accumulation of revelations about the bacterial communities that call the human body home.
