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new scientist - why are orangutans orange? - science puzzles in pictures - with fascinating answers harald lesch / jörn müller bernhard weingartner brian clegg lucy hawking / stephen hawking michael brooks reto u. schneider john dupré
new scientist - why ar... harald lesch / jörn müller bernhard weingartner ... brian clegg lucy hawking / stephen... michael brooks reto u. schneider john dupré