Issac Newton tree sample to defy gravity.
A piece of Sir Isaac Newton's apple tree is being carried into zero-gravity space on the next Nasa shuttle mission.
The section of wood is normally held in the Royal Society's archives but has been lent to British-born astronaut Dr Piers Sellers.
He will take it into orbit, as part of the academic institution's 350th anniversary celebrations.
Dr Sellers said: "I'm pretty sure that Sir Isaac would have loved to see this, assuming he wasn't spacesick, as it would have proved his first law of motion to be correct. After the flight, we will be returning the piece of tree and a flown picture of Sir Isaac Newton back to The Royal Society."
Nasa's space shuttle Atlantis will lift off for its final, 12-day mission, on May 14 carrying six crew members including Dr Sellers.
Dr Sellers was born in Crowborough, Sussex, in 1955. He was selected as an astronaut candidate by Nasa in 1996.
[c] Independent Television News Limited 2010. All rights reserved.
[c] Independent Television News Limited 2009. All rights reserved.
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