On Sept. 12, 1992, Mae Jemison became the first African American woman in space when the space shuttle Endeavour carried her and six other astronauts on 126 orbits around the Earth. A mission specialist, Jemison was a co-investigator of two bone cell research experiments, one of 43 investigations that were done on mission STS-47.

A strain of rice genetically engineered to protect against diarrhoeal disease could offer a cost-effective way to protect children in developing countries, according a study published in the Journal of Clinical Investigation yesterday (8 August).