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19626
It seems to me irresponsible even to float the idea, as neurologist David M. Holtzman does in this article, of chemically suppressing idle thought and daydreaming in people. Who can claim a basis for clinical discrimination of “bad” idle thought and daydreaming from the “idle thought” of intuitive problem solving and poetic imagination? More of […]
- Health & Medicine
Alzheimer Clue: Busy brain connections may have downside
Brain areas that are chronically activated have excess amyloid beta, the waxy protein associated with Alzheimer's disease.
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19625
This article brought a strange conundrum to mind. If Paleolithic man was in Australia 40,000 years ago, why were the aboriginal people still living in the Stone Age when the first Europeans arrived? There were advanced cultures in the Americas by 100 B.C.E., whose ancestors had arrived by 12,000 to 15,000 years ago. Norbert EdwardsBuffalo, […]
- Anthropology
Stone Age Footwork: Ancient human prints turn up down under
An ancient, dried-up lakeshore in Australia has yielded the largest known collection of Stone Age footprints, made about 20,000 years ago.
- Earth
Estimating a temblor’s strength on the fly
New analyses of ground motions caused by large earthquakes suggest that it may be possible to estimate the full magnitude of such quakes immediately after they start rumbling.
- Tech
Facing a hairy electronics problem
Investigating why kinky metal filaments sprout spontaneously on electronic- circuit cards, researchers have found that the way metal films have been electroplated onto the surface in the first place plays a lingering role.
- Anthropology
European face-off for early farmers
A new analysis of modern and ancient human skulls supports the idea that early farmers in the Middle East spread into Europe between 11,000 and 6,500 years ago, intermarried with people there, and passed on their agricultural way of life to the native Europeans.
- Health & Medicine
Protein exposes long-term risk from heart problems
Elevated blood concentrations of a certain protein can signal risk of death in people with heart problems.
- Planetary Science
Moon spray
The Cassini spacecraft has found conclusive evidence that the south pole of Saturn's moon Enceladus spews jets of icy particles into space.
- Physics
Magnetic Overthrow
Researchers have discovered and begun to exploit a fundamentally new way to exert magnetic influences, at least on extremely small scales.
- Math
A Cabinet of Mathematical Curiosities
Physical models of intriguing mathematical objects can add up to an enticing desktop display.
- Humans
From the December 21 & 28, 1935, issues
Snow in California, outstanding 1935 achievements in science, and an expedition to Tibet.
