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First findings of the Encyclopaedia of DNA Elements (Encode project), which takes a close-up look at the human genome, point to a more complex picture and to the regulatory function of "junk" DNA. Japanese scientists genetically engineer an edible cholera vaccine into rice and test it on mice. What "coral bleaching" in the Great Barrier Reef tells us about climate change. Weightlessness training for astronauts – on Earth in a neutral buoyancy tank. Plus, dating the Babylonian Mul.Apin tablets with astronomical observations recorded in cuniform are dated to 1370 BC, give or take a century.