Archives
More Stories from the August 28, 2010 issue
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LifeGenetics redraws marsupial family tree
A new analysis traces the group’s origin to South America.
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Life
Lemurs on contraceptives don’t smell right
Birth control disrupts female odors used in mating and other social situations.
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Life
For ducks, penis length depends on the other guys
Male genitals grow longer with more competition from other males.
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Space
Dark matter eldorado
Astronomers have discovered that a nearby galaxy has the highest density of dark matter of any galaxy known.
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Life
Disabling cellular assassin prevents cancer
A counterintuitive experiment may help explain why survivors are more vulnerable to other malignancies later in life.
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Life
Marine census still counting new life-forms
The Gulf of Mexico ranked among the top five marine regions for number of known species.
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Health & Medicine
Gut bacteria reflect dietary differences
A comparison of African and European children concludes that high-fiber, low-fat diets cultivate healthier intestinal microflora.
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Chemistry
Receipts a large — and largely ignored — source of BPA
A host of small studies raises a big alarm about exposure to a hormone-mimicking chemical.
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Health & Medicine
Violent dreams may predict illness in advance
A sleep disorder can precede neurodegenerative disease by decades.
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Humans
World of proteincraft
Players compete to solve scientific puzzles in an online computer game.
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Space
All wet, or high and dry?
The moon’s interior contains far less water than Earth’s, new studies of rocks collected by Apollo astronauts suggest.
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Earth
Rodent poop gauges ancient rains
The size of chinchilla pellets reveals past desert environment.
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Earth
Forest loss slows in Brazilian Amazon
Between 2004 and 2009, the rate of clearing dropped almost 75 percent.
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