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Tadpoles, sun, and ozone http://apocadocs.com/s.pl?1204998779
"A number of studies have suggested that higher levels of ultraviolet radiation -- due to ozone depletion -- can damage frog DNA.... [A] team at the University of Ottawa's Centre for Advanced Research in Environmental Genomics has found that even a slight increase in ultraviolet B radiation -- similar to what would hit frog eggs on a spring day in Ottawa -- can be disastrous. Many of the tadpoles exposed to low levels had physical abnormalities that would be deadly in the wild, such as kinked tails that forced them to swim in circles, or bloated abdomens. It appeared as if they could eat, but not defecate, biologist Vance Trudeau says. Unlike those in the control group, very few of the tadpoles exposed to UVB developed into frogs."
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[Read more stories about:
amphibian collapse]
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Imagine: little tadpoles, swimming around in circles, not knowing what's wrong.
The spiraling-down metaphors are
a little too obvious.
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