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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 »

A new iron age?

Making iron and steel without so much greenhouse pollution More »

Psycho-Trauma of War: 1 in 5 Injured

New analysis of post-traumatic stress disorder among American Vietnam vets find 19 percent had PTSD after serving in combat. The greater the exposure to combat, the higher the rate of PTSD. More »

Cattle, wildlife: No real conflict?

Win-win result from Kenya test! More »