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http://www.sciencenews.org/view/issue/id/9387
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In This Issue
- Ultramassive: as big as it gets: A black hole can consume anything in its path. These monsters can become huge — but perhaps only so huge.
- Body In Mind: Long thought the province of the abstract, cognition may actually evolve as physical experiences and actions ignite mental life
- This week's table of contents
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February 16th, 2008
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Fossils of a cardinal-sized creature recently unearthed in western Wyoming suggest that primitive bats developed the ability to fly before they could track their prey with biological sonar. (p. 99)
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Analysis of DNA from a choanoflagellate, the closest known living nonanimal relative of animals, allows scientists to infer the genetic starter kit possessed by the first animal. (p. 99)
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Using a cosmic magnifying glass to peer into the deepest reaches of space, two teams of astronomers have discovered tiny galaxies that may be among the most distant known. (p. 100)
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Investigators have traced the source of counterfeit antimalarial pills in Southeast Asia to southern China, where suspects have been arrested and an illicit factory shut down. (p. 100)
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Some 300 young stars, hidden in visible light, shine through the dust in a new infrared portrait of the main cloud of a nearby star-forming region called Rho Ophiuchi. (p. 101)
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Intestinal bacteria train the immune system to cause pain and swelling, but that's a good thing. (p. 101)
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King penguins don't live on continental Antarctica but even they are vulnerable to warming water. (p. 102)
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People first reached the edge of the Americas about 40,000 years ago but had to stay put for at least 20,000 years before melting ice sheets allowed them to move south and settle the rest of the continent. (p. 102)
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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. (p. 104)
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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. (p. 107)
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A brain chemical puts fruit flies to sleep. (p. 109)
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There's a new look for a hot male among lark buntings every year. (p. 109)
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Researchers have used DNA as Velcro to create the first materials that spontaneously assemble into regular 3-D patterns. (p. 110)
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An oral tradition passed down among islanders in the South Pacific saved many lives during a tsunami last year and illustrates the benefits that community-based education and awareness programs can provide. (p. 110)
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Intake of caffeine equal to two cups of coffee per day seems to double a woman's risk of miscarriage. (p. 110)
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(p. 111)
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Science & the Public
Oct 12th 2008
Comment
Oct 10th 2008
Math Trek
The U.S. News & World Report rankings of colleges and universities are largely arbitrary, according to a new mathematical analysis. Oct 3rd 2008
The U.S. News & World Report rankings of colleges and universities are largely arbitrary, according to a new mathematical analysis. Oct 3rd 2008
Natural History of the Point Reyes Peninsula
Univ. of California, 2008, 366 p., $24.95
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Univ. of California, 2008, 366 p., $24.95
Buy now | More Books
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