Uncategorized
- Tech
Nanocrystal
Researchers have used DNA as Velcro to create the first materials that spontaneously assemble into regular 3-D patterns.
- Animals
Bird fads weaken sexual selection
There's a new look for a hot male among lark buntings every year.
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More evidence that flies sleep like people
A brain chemical puts fruit flies to sleep.
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19926
This article was wonderful. We have had light and electron microscopes. Can we look forward to atom-wave microscopes? Bill SchindeleThousand Oaks, Calif. Yes. A team led by Bodil Holst at Graz University of Technology in Austria has built a microscope that bombards a sample with helium waves and then measures how the waves reflect to […]
- Physics
Extreme Measures
Physicists use atom interferometry to measure gravity and other forces with unrivaled precision, and the technique could potentially guide airplanes and uncover buried caches of oil and diamonds.
- Health & Medicine
Weighty Evidence
Connections between the family of insulin hormones and cancer have been suspected for more than 2 decades, and today, drug companies are testing anticancer drugs based on the actions of an insulin cousin.
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- Humans
Letters from the February 16, 2008, issue of Science News
Inert placebo? Regarding “Getting the Red Out” (SN: 1/19/08, p. 35): While drug companies wish to market their products, my attention is drawn to the fact that 1 in 8 of the control group of psoriasis patients was cured by placebo effect. Who will investigate the process therein? Is there a market for it? Carson […]
- Humans
From the February 5, 1938, issue
Tiny shells test lenses, the rules of radioactivity, and discovering new lunar terrain.
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Marine Cloudmakers
As bubbles in the ocean burst, they release entrained microorganisms and other marine materials. As they’re spewed into the air, these particles can serve as the basis of cloud particles. Researchers at the Scripps Institution of Oceanography at the University of California, San Diego explain the phenomenon in this Jan. 8 mini-video and even speculate […]
- Humans
Wish List: FY ’09 budget proposal ups physical sciences
President Bush's proposed 2009 federal budget would boost R&D in the physical sciences while reining in biomedical research.
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19925
No way do I understand where the percent changes come from. A change from $80,192 million to $80,494 million is listed as a 1.6 percent decrease. David AdamsGarnet Valley, Pa. The numbers are adjusted for inflation, which will erode buying power by the time fiscal year 2009 begins. At the time we wrote the story, […]
