Meteorite fragments spark 'gold rush' in Russia
http://www.smh.com.au/world/space-rocks-shock-wave-was-hit-and-miss-20130218-2enin.html
Tiny fragments of the meteorite that blew apart over Russia may be worth more than their weight in gold. Amateur enthusiasts and scientists alike are scrambling to find bits of the meteorite that streaked across the morning sky over the Russian city of ...
Fact sheet: Dental calculus
http://phenomena.nationalgeographic.com/2013/02/17/prehistoric-plaque-and-the-gentrification-of-europes-mouth/
Dental calculus is the calcified plaque, or tartar, that is removed with a dental scalar during regular dentist visits. It cannot be removed by brushing.
The Obama Administration's 10-Year Plan to Map the Entire Human Brain
http://www.ndtv.com/article/world/project-seeks-to-build-map-of-human-brain-332387
The Obama Administration's 10-Year Plan to Map the Entire Human Brain The human brain is one crazy computer, and while it's been around for ages, there's still a lot to learn about how it works.
Arctic needs protection from resource rush as ice melts, says UN
http://www.guardian.co.uk/environment/2013/feb/18/arctic-protection-resource-rush
The Arctic needs to be better protected from a rush for natural resources as melting ice makes mineral and energy exploration easier, the United Nations' Environment Programme (UNEP) said.
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