Not junk at all... ENCODE confirms more recent theories that the bulk of 'junk' DNA is actually littered with switches that determine how the genes work and act as a massive control panel. "Our genome is simply alive with switches: millions of places that determine whether a gene is switched on or off," says lead analysis coordinator Ewan Birney of the EMBL-European Bioinformatics Institute.
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|| A slice of the Fukang meteorite. When it slammed into the surface of Earth, there was little sign of the beauty that lay inside. But cutting the Fukang meteorite open yielded a breathtaking sight. Within the rock, translucent golden crystals of a mineral called olivine gleamed among a silvery honeycomb of nickel-iron.