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“$15.75 for invention of anti-gravity device. Must include batteries. $37.50 for proof of alien life.”

An online discussion mocks NASA for offering only $50,000 in prize money for competitions to create strong tethers and a cable-climbing robot powered by a light beam. The Centennial Challenges were inspired by the $10 million Ansari X prize (Slashdot, 24 March)

“It used to be important to have a living will. Post-Schiavo, it’s become essential to have a living will.”

Arthur Caplan, director of the Center for Bioethics at the University of Pennsylvania, says the case of Terri Schiavo in Florida, whose…

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