Lightning scientists begin to solve electric mysteries (p. 16)
Economic models of risk don?t add up, cadre of researchers caution (p. 22)
Removal of top predators trickles through the food web (p. 26)
Satellite data confirm that the amount of forest cover can shift suddenly in response to relatively small changes in fire frequency and rainfall. (p. 5)
A method that uses eggs to do genetic reprogramming is successful in humans. (p. 8)
Disrupting circadian rhythms in mouse blood vessels hardens arteries, suggesting that timing malfunctions in organs may cause disease. (p. 8)
Woman who lived until age 115 didn?t lack genes that predispose her to disease, but she may have had some that protected her. (p. 9)
Change during human evolution could have led to bigger brains. (p. 9)
Lack of energy trail suggests faster-than-light finding was miscalculated. (p. 10)
A giant radio telescope array in Chile?s Atacama Desert produces its first images. (p. 10)
The solar system?s second tallest mountain hides out in a crater at the south pole of the asteroid Vesta. (p. 11)
Ripples made by a celestial impact 600 years ago can still be seen today. (p. 11)
The depopulation of the Americas due to introduced European diseases may have spurred Europe's Little Ice Age. (p. 12)
Paleontologists deduce how ridges on the creature?s wings would have reflected light. (p. 12)
New genetic data show that some early migrants interbred with a mysterious Neandertal sister group. (p. 13)
Tinnitus results from the brain?s effort to compensate for hearing loss, a study concludes. (p. 14)
Women who take common non-steroidal anti-inflammatory drugs during the first trimester could be endangering fetus, a study finds. (p. 14)
Review by Susan Milius (p. 30)
Review by Erika Engelhaupt (p. 30)
(p. 30)
(p. 30)
(p. 30)
(p. 30)
(p. 30)
(p. 4)
(p. 4)
(p. 4)
(p. 31)
Treating pneumonia with olive oil sounds strange, but the idea showed signs of early scientific savvy. (p. 32)
Source: http://www.sciencenews.org/view/issue/id/335472/title/Issue_for_the_week_of_November_5th,_2011
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