Uncategorized
- Humans
Chemists distinguish between gunshot residue from various firearms
Analytical technique could lead to better crime scene investigation.
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Science Past from the issue of April 21, 1962
GLENN REPORTS ON FLIGHT — The brilliant light from the “fireball” Astronaut John H. Glenn Jr. saw passing the window of his space capsule was observed by more than 1,400 scientists at a symposium in Washington, D.C. A color film, showing the astronaut in his cabin during flight, clearly revealed reflections of the burning chunks […]
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Science Future for April 21, 2012
April 28 Celebrate Astronomy Day with stargazing, workshops and other events nationwide. For more information, see bit.ly/GTe2wm May 3 An underwater archaeologist talks about surveys of pirate ships as part of a Science Museum of Minnesota series on the science and history of pirates. See bit.ly/xAPeLZ
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SN Online
SCIENCE & THE PUBLIC BLOG A court orders FDA hearings on livestock drugs. See “Growth-promoting antibiotics: On the way out?” Jason Brougham/Univ. of Texas LIFE A birdlike dinosaur (illustrated below) was iridescent. Read “Microraptor’s true blue colors.” ENVIRONMENT Deep corals were harmed by the BP spill. Learn more in “The farther the better for corals […]
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Suggest Cancer Preventive
Cutting calories to fight cancer.
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Letters
Consciousness series pondered Hofstadter’s “strange loop” and other ideas presented in the article “Self as symbol” (SN: 2/11/12, p. 28) suggest, but never say, that the notion of “I” exists in the dimension of time, not space. Obviously then, consciousness is not a tangible object — not any part of the brain. Rather, the “I” […]
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Mixed Results
Having the right blend of animal personalities can make or break a group
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Volcanic Rush
High-speed videos capture rocks flying at unheard-of rates.
- Health & Medicine
Extreme eaters show abnormal brain activity
Seeing images of food revs up reward areas in the obese and slows them down in severely underweight people, a brain scan study shows.
- Life
Stem cell treatment spurs cartilage growth
A small molecule called kartogenin prompts the manufacture of lost connective tissue in mice.
- Paleontology
T. rex has another fine, feathered cousin
A trio of fossils from China may tip the scales on dinosaurs’ public image.
