Walking an obstacle course on Earth is relatively easy. Walking an obstacle course on Earth after being in space for six months is not quite as simple. The longer an astronaut spends in space, the more difficult it is for ...
Space Exploration
Sep 29, 2015
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11
For the first time, researchers tracking the behavior of emperor penguins near the sea have identified the importance of sea ice for the penguins' feeding habits. The research, published November 21 in the open access journal ...
Plants & Animals
Nov 21, 2012
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1
Over-eager eco-tourists intent on seeing spinner dolphins up close may inadvertently be disturbing the charismatic animals' daytime rest periods and driving them out of safe habitats in bays along Hawaii's coast.
Plants & Animals
Aug 27, 2012
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0
(PhysOrg.com) -- A missing jet stream, fading spots, and slower activity near the poles say that our Sun is heading for a rest period even as it is acting up for the first time in years, according to scientists at the National ...
Space Exploration
Jun 14, 2011
114
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Ecological changes caused by humans affect natural biodiversity. For example, the eutrophication of Greifensee and Lake Constance in the 1970s and 1980s led to genetic changes in a species of water flea which was ultimately ...
Evolution
Mar 12, 2009
1
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