New rules to keep mercury from Calif. landfills
New California rules will require the makers of new thermostats to do a better job of keeping old ones containing the neurotoxin mercury out of landfills. Full story
click3: Watch the element mercury freak out
The element mercury freaks out when introduced to different audio frequencies; Mother Jones examines the state of the criminal justice system: public defenders are overworkered, and poor criminal defendants pay the price; and a marine scientist documents her journey through Antarctica's Ross Sea, an
NASA Spacecraft Makes 1st Complete Map of Planet Mercury
The surface of the planet Mercury has been completely mapped for the first time in history, scientists say. Full story
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Ice flourishes on planet near Sun
Scientists at NASA announced there is as much as a trillion tons of ice on both poles of Mercury, the planet closest to the sun. NBC’s Brian Williams reports.
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A person sits on a park bench as a triple conjunction of the planets Venus, Jupiter and Mercury is seen in the sky in New York
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