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Malaria is on the rise again with nearly half a billion cases and two million deaths per year. The US Naval Medical Institute is testing a new 'DNA vaccine' made from the DNA of the malaria parasite itself. The winners of this year's Nobel prizes for medicine, physics and chemistry have been announced. Can subliminal messages reveal more about human consciousness? A skeleton found in southern Egypt could provide fossil evidence of human evolution. A massive iceberg has detached from Antarctica.