Uncategorized
- Physics
Casper the Quantum Ghost
Researchers find that a strange kind of imaging relies on quantum mechanics.
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Science Past from the issue of August 29, 1959
Fetal sex still unknown — Expectant mothers still face the ancient and perplexing problem of whether to knit blue or pink booties, despite the advances of this scientific age. Although scientists appear to be near to perfecting a reliable method of predicting the sex of unborn babies, the present “wait and see” policy remains the […]
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Science Future for August 29, 2009
September 29 MESSENGER spacecraft expected to make its third and final flyby of Mercury. Learn more at messenger.jhuapl.edu October 4–10 Celebrate World Space Week. Find local events and activities at www.worldspaceweek.org October 18–21 The Geological Society of America hosts its annual meeting in Portland, Ore. Visit www.geosociety.org/meetings/2009
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Letters
Conspiratorial skepticism After achieving two degrees in psychology, I concluded that the field is largely bereft of genuine insight and simple common sense, and that it masquerades as a science, with notable exceptions here and there. Articles such as “Tracing the inner world of suspicion,” (SN: 6/20/09, p. 11) confirm and underline psychology’s essential mindlessness. […]
- Archaeology
Fire engineers of the Stone Age
New evidence indicates that people used fires to heat stones in preparation for making cutting instruments at least 72,000 years ago in southern Africa.
- Life
A gene for a short night’s sleep
Alterations in a gene called DEC2 lead to a shortened sleep period in people, mice and fruit flies.
- Tech
Scientists propose lab-grade black holes
Creating tiny, artificial black holes could help uncover what happens to particles on the edge of full-sized black holes.
- Health & Medicine
Brain doesn’t sort by visual cues alone
Blind and sighted people’s brains sort the living from the nonliving in the same way, suggesting this ability may be hard-wired.
- Earth
Big Gulp, Asian style
Satellite data reveals that increased irrigation pressure is rapidly depleting groundwater in northern India.
- Animals
SOS: Call the ants
Emergency ant workers bite at snares, dig and tug to free trapped sisters
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- Health & Medicine
Bone-preserving drug passes tests in men, women
New drug limits bone fractures in elderly women and men fighting prostate cancer
