News tagged with hypothesis

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Confirmed: How plant communities endure stress

(Phys.org)—The Stress Gradient Hypothesis holds that as stress increases in an ecosystem, mutually supportive interactions become more significant and negative interactions, such as competition, become ...

dateJan 30, 2013 in Ecology
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Triceratops controversy continues

Millions of years after its extinction, Triceratops is inciting controversy about how to classify the ancient animals. New analysis, published Feb. 29 in the open access journal PLoS ONE, suggests that the specimens in question s ...

dateFeb 29, 2012 in Archaeology & Fossils
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Runner's high motivated the evolution of exercise

In the last century something unexpected happened: humans became sedentary. We traded in our active lifestyles for a more immobile existence. But these were not the conditions under which we evolved. David Raichlen from the ...

dateMar 22, 2012 in Other
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New hypothesis on crater debris

A team of researchers partnered with the NASA Lunar Science Institute (NLSI) has developed a new hypothesis for the origin of crater ejecta—debris that is launched out of a crater during meteorite impacts.

dateSep 27, 2011 in Space Exploration
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