Thought for the month

“To know yet to think that one does not know is best; Not to know yet to think that one knows will lead to difficulty.” Lao Tzu, philosopher (6th century BCE).

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.

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