On July 5, 1687, Isaac Newton published Philosophiæ Naturalis Principia Mathematica.
The date he invented the cat flap is not known, so let’s include that in today’s celebration.
Volcano News, Discussions, Chat and more
"The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it." - Terry Pratchett
Walking alongside Opportunity as she explores Endeavour...
Join Mauricio Antón in his search for clues to restore ancient life
Discoveries, Journeys & Milestones in Space Exploration
Posts mainly about volcanoes
by John Bengtson "the great detective of silent film locations" New York Times
Washington's Landslide Blog
Exploring the Civil War-era landscape in the Fredericksburg & Spotsylvania region.
Our Discovery and Usage of the Chemical Elements
Official Blog of the National Hurricane Center
Silence Is Golden
