“There is nothing noble in being superior to some other man. The true nobility is in being superior to your previous self.” Probably W.L. Sheldon, US lecturer on ethics (1858 – 1907) rather than Ernest Hemingway.
Monday, 18 July 2016
Eat like a Martian?
Four crops grown in simulated Martian soil are safe to eat. Dutch scientists are testing more crops to see if they can grow safely on Mars.