Methane (CH4) is the second most important greenhouse gas after carbon dioxide (CO2). Its concentration in the atmosphere has increased more than twice since the preindustrial era due to enhanced emissions from human activities. ...
Environment
Jan 29, 2021
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Plucky, beautiful and declining in numbers at about a 2% annual rate, the rufous hummingbird makes its long annual migration in different timing and route patterns based the birds' age and sex, new research by Oregon State ...
Plants & Animals
Jul 28, 2020
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While changing the rotation rate/axis of a thrown baseball has long been a weapon in a pitcher's arsenal, some pitchers, like Washington Nationals star Stephen Strasburg, manipulate the baseball's wake to create unexpected ...
General Physics
Nov 24, 2019
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222
A devastating wall of water gushed down the Bhotekoshi/Sunkoshi River in Nepal on July 5, 2016. It came from a lake that had been dammed by a glacial moraine, but the dam broke and discharged more than 100,000 tons of water ...
Earth Sciences
Oct 4, 2018
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(PhysOrg.com) -- Snakes coil up when they sense danger. Some snakes curl up in order to spring into action and strike. Snakes may also coil to preserve body heat, and this warming behavior could affect our understanding of ...
Archaeology
Aug 3, 2009
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