Earth
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Humans
What’s in your wallet? Another ‘estrogen’
A chemical cousin of bisphenol A, a hormone mimic, has turned up on banknotes from around the world in addition to tainting 14 other types of papery products. Owing to the near ubiquity of BPS in paper, human exposure is likely also “ubiquitous,” conclude the study's authors. Oh, and a second new study shows that BPS behaves like an estrogen.
By Janet Raloff -
Earth
Icelandic volcanoes slumber today, but not forever
Eruptions pepper the North Atlantic island.
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Earth
13th century volcano mystery may be solved
Indonesian volcano may be the culprit in the biggest eruption of the last seven millennia.
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Life
Grasshoppers’ terror outlives them
After an existence plagued by predatory spiders, the insects pass into oblivion, leaving a legacy of impoverished soil.
By Devin Powell -
Life
Calcium offers clues in mass extinction
Ocean acidification during Permian period may have caused the Great Dying.
By Devin Powell -
Earth
Ancient volcanoes destroyed ozone
Prehistoric eruptions gave off huge amounts of a gas that erodes the UV-blocking atmospheric layer.
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Life
Microbes flourish under Arctic sea ice
Oceanographic expedition surprised to find photosynthetic microorganisms thriving under frozen surface.
By Devin Powell -
Tech
Court ‘shares’ researchers’ e-mails, intellectual property
“A situation has arisen involving scientists at the Woods Hole Oceanographic Institution (WHOI) that should concern all those who value the principles of academic freedom and responsibility,” warns top WHOI officials. They were responding to a court order requiring that two WHOI scientists turn over 3,500 emails and other documents to BP. Included in the information was intellectual property that outsiders could exploit.
By Janet Raloff -
Earth
Arctic’s wintry blanket can be warming
Forested snowscapes keep northern soils relatively toasty, diminishing how much climate-warming carbon they can sequester from the atmosphere.
By Janet Raloff