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Science News June 2, 2001 |
Timeline: May 30, 1931 Life is rare in universe, astronomer believes... Certain chemicals will put yeast into sleeping stage... Effect of movies measured scientifically...  |
Science News March 15, 2003 |
TimeLine: March 11, 1933 Great lion of La Brea... Lightest water made, and new record for heaviest set... Optician's window novelty measures heat from stars  |
Chemistry World December 20, 2010 Hayley Birch |
Atomic weights change to reflect natural variations The atomic weights for ten elements are to be expressed as intervals rather than single values, the International Union of Pure and Applied Chemistry has announced.  |
Science News April 6, 2002 |
TimeLine: April 2, 1932 Teletypewriters can now be used in home... Einstein and de Sitter return to Euclidean idea of cosmos... Cannot know universe's shape without more observations... Entire universe still young, little older than earth itself... New long-time clock is rotation of Milky Way... etc.  |
Science News August 9, 2003 |
TimeLine: August 5, 1933 A million years of man... Universe began expanding few billion years ago... Floating lands called poor explanation of ice ages  |
Chemistry World September 25, 2013 Laura Howes |
Elemental weigh in The International Union of Pure and Applied Chemistry has released another revision to standard atomic weights. In total, 19 elements have been found to have gained or lost a little weight.  |