News tagged with radioactive

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

dateJul 17, 2013 in Astronomy
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Toxic radiation 'in groundwater' at Fukushima

Toxic radioactive substances have once again been detected in groundwater at the crippled Fukushima nuclear plant, its Japanese operator said on Sunday, the latest in a series of incidents at the tsunami-battered ...

dateJul 07, 2013 in Environment
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Breakthrough: Sensors monitor cells at work

Transport proteins are responsible for moving materials such as nutrients and metabolic products through a cell's outer membrane, which seals and protects all living cells, to the cell's interior. These transported molecules ...

dateJul 02, 2013 in Cell & Microbiology
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Exotic alloys for potential energy applications

The search for thermoelectrics, exotic materials that convert heat directly into electricity, has received a boost from researchers at the California Institute of Technology and the University of Tokyo, who have found the ...

dateJun 27, 2013 in Nanomaterials
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Astronomers discover light echo from supernova

(Phys.org) —Astronomers have discovered light echoing off material surrounding a recent supernova explosion, SN 2009ig. The dust and gas that are reflecting the light are so close to the eruption center ...

dateJun 04, 2013 in Astronomy
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