The landing-site specialist

(PhysOrg.com) -- Gale crater has been sitting just below the equator of Mars, minding its own business, for at least three and half billion years. But in August 2012, a capsule is going to come screaming out of the sky, then ...

Gene invaders are stymied by a cell's genome defense

Gene wars rage inside our cells, with invading DNA regularly threatening to subvert our human blueprint. Now, building on Nobel-Prize-winning findings, UC San Francisco researchers have discovered a molecular machine that ...

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