A school dropout from a poor family in southern India has revolutionised menstrual health for rural women in developing countries by inventing a simple machine they can use to make cheap sanitary pads.
Leipzig's Max Planck Institute of Evolutionary Anthropology is a striking edifice. Set among the drab housing blocks of former East Germany, the building, erected in 2003 and made largely of glass, curves
From the Popular Science archives. Happy Darwin Day! These letters originally appeared in the March 1903 issue of Popular Science. The "Hitherto Unpublished Letters of Charles Darwin" were compiled and
A proposed law would roll back gains made to protect Afghan women, photographer Lynsey Addario warns. National Geographic photographer Lynsey Addario says that a new Afghan law, passed by parliament and