All Stories
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Letters
Time’s arrow I’ve enjoyed reading Science News since I was a kid; thanks very much for producing such a fine periodical! This is the first time I’ve felt compelled to write to you about an article you’ve published: “Law and disorder” (SN: 6/19/10, p. 26). I can’t help but feel that the time theory that […]
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Planet Hunter: Geoff Marcy and the Search for Other Earths by Vicki Oransky Wittenstein
A look at exoplanet hunting based on one astronomer’s life and work. Aimed at young adults. PLANET HUNTER Boyds Mills Press, 2010, 48 p., $17.95.
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The Nesting Season: Cuckoos, Cuckolds, and the Invention of Monogamy by Bernd Heinrich
A naturalist explores how birds find a mate and what this process says — and what it doesn’t say — about human relationships. Belknap Press, 2010, 404 p., $29.95. THE NESTING SEASON
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Whatever music is, it’s a basic part of being human
Music perception researcher Ian Cross ponders music's nature and significance.
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- Climate
EPA rejects climate-change deniers’ petitions
A number of people challenge that climate change is real, that it's due to greenhouse gases released by human activities and that it's a threat to human health and the environment. On July 29, the Environmental Protection Agency formally rejected those claims as it turned down 10 petitions asking the Obama administration to reconsider EPA’s “endangerment finding.”
- Psychology
Sadness response strengthens with age
Older people reacted more strongly to sad scenes than twentysomethings did in a recent study of emotional receptivity.
- 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
Genetics redraws marsupial family tree
A new analysis traces the group’s origin to South America.
- Chemistry
More evidence that BPA laces store receipts
People interested in limiting exposure to bisphenol A — a hormone-mimicking environmental contaminant — might want to consider wearing gloves the next time a store clerk hands over a cash-register receipt. A July 27 report by a public-interest research group has now confirmed many of these receipts have a BPA-rich powdery residue on their surface.
