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February 4, 2016
What is the secret link between rocks and minerals, and every living thing on Earth? Featuring Professor Ruth Blake. Aired January 13, 2016 on PBS NOVA     http://www.pbs.org...
February 3, 2016
Sorry, Explorers Club, but woolly mammoth is no longer on the menu. Neither is the giant ground sloth. A Yale-led analysis has shown that a famous morsel of meat from a 1951...
February 3, 2016
  Washington, D.C.—Earth’s magnetic field is generated by the motion of liquid iron in the planet’s core. This “geodynamo” occasionally reverses its...