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Humans and chimpanzees share 98.5% of our DNA but most of our differences arise from the way human DNA has been rearranged in chunks. India evaluates the possibility of establishing a neutrino physics laboratory. A killer fungus has been found that might wipe out the root-knot nematode that destroys crops in Cuba and in other tropical countries. Fossiled leaves hold clues to formation of the Himalayas and Tibetan plateau.