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The Wipeout Gene

A new breed of genetically modified mosquitoes carries a gene that cripples its own offspring. They could crush native mosquito populations and block the spread of disease. And they are already in the air—though that's been a secret

By Bijal P. Trivedi

The Truth about Fracking

Fracturing a deep shale layer one time to release natural gas might pose little risk to drinking-water supplies, but doing so repeatedly could be problematic

By Chris Mooney


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November 2011

Beyond XX and XY

Biology. Identity. Equality.