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Bye-Bye Why Files
World’s first general science magazine written exclusively for the web closes up shop after two decades online

Why Files announces its demise after 20 years on the web, and recounts how technological and social change was reflected in its pages. More »

Cold-War exclusive: Cuban lizards invade Florida

Result: a genetic change after just 20 generations! More »

Biodiversity: Species Form Faster Near Poles

Conventional wisdom says species form faster in the biodiverse tropics. A new study shows fast speciation and extinction at the poles. More »

Globe Heating Up

How do current conditions compare to past predictions of the effects of global warming? Are living on a warming planet? More »