Chinese tombs yield earliest evidence of cannabis use
Researchers uncover the earliest known evidence of cannabis use, from tombs in western China.
Author Archives: BBC News - Science & Environment
Greenland map captures changing Arctic in fine detail
The British Antarctic Survey produces an exquisite new printed sheet map of Greenland and the European Arctic.
Hidden Figures: Nasa renames street after black female mathematicians
Hidden Figures Way is named after the African-American women featured in the Oscar-nominated film.