Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 March 12 The Scale of the Universe - Interactive Flash Animation Credit & Copyright: Cary & Michael Huang
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Click on the image below to start exploring the Arctic and Antarctic.
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At his death on 20 March 1727,  Isaac Newton left papers relating to all areas of the intellectual pursuits he had followed since arriving at Trinity College, Cambridge, in the summer of 1661.  His friend, relative by marriage (to Newton's half-niece Catherine Barton) and successor at the Mint, John Conduitt, posted a bond for Newton's debts and claimed entitlement to this material, Newton having died intestate.
A year for the record books From extreme drought , heat waves and floods to unprecedented tornado outbreaks , hurricanes , wildfires and winter storms , a record 14 weather and climate disasters in 2011 each caused $1 billion or more in damages — and most regrettably, loss of human lives and property. NOAA's National Weather Service has redoubled its efforts to create a "Weather-Ready Nation", where vulnerable communities are better prepared for extreme weather and other natural disasters.
Radical Raisins [ lesson plan ] (Hattie Chung and Ann Liu, NCSSM, 2006) Plastic Milk [ lesson plan ] (Hattie Chung and Ann Liu, NCSSM, 2006) The Collapsing Can and Thermal Expansion of Gases [ lesson plan ] (Michael Pham, NCSSM, 2006) Colors Behind the Black [ lesson plan] (Hattie Chung and Ann Liu, NCSSM, 2006) Lets be Molecules! [ lesson plan ] (Hattie Chung and Ann Liu, NCSSM, 2006) Invisible Ink [ lesson plan ] (Hattie Chung and Ann Liu, NCSSM, 2006) Different Levels of Density [ lesson plan ] (Hattie Chung and Ann Liu, NCSSM, 2006) Magical Goo [ lesson plan ] (Hattie Chung and Ann Liu, NCSSM, 2006) Mini Geysers!
1. Choose a sound In order for nature sounds to start playing choose a sound from drop-down box for one channel and drag the volume slider up. 2.