New report suggests Mars may be full of liquid water - Smithsonianmag.com
posted by The Whelk on Jun 26, 2012 - 77 comments

Yarchive is one man's collection of UseNET posts on the topics of Air Conditioning; Aircraft; Bicycles; Cars; Chemistry; Computers; Electrical, Electronic; Environment; Explosives, Pyrotechnics; Food; Houses; Guns; Jokes; Medicine; Metalworking; Military; Nuclear; Telephones; Physics; Risks; Security; Space mostly from a select group of authors. It has been updated several times since it first appeared here in 2001 and it never fails to sucker me in for hours every time I stumble upon it from a Google Search. [more inside]
posted by Mitheral on May 19, 2010 - 37 comments

Science Hack is a unique search engine for science videos focusing on Physics, Chemistry, and Space. For example, things to do with sulfur hexafluoride. Still growing, the editors are presently indexing other scientific fields of study including Geology, Psychology, Robotics and Computers. Ever wonder why things go bang?
posted by netbros on Aug 7, 2008 - 6 comments

The hills of other earths might not be green...The Color(s) Out of Space. [more inside]
posted by Kronos_to_Earth on Apr 21, 2008 - 23 comments

Ecological impact of Space Shuttle launch exhaust. Aluminum oxide powder, hydrogen chloride, and of course, water vapor, which can form noctilucent clouds. The environmental impact is supposedly minimal.
posted by brownpau on Aug 6, 2005 - 15 comments

Instead of liquid water, Titan has liquid methane. Instead of silicate rocks, Titan has frozen water ice. Instead of dirt, Titan has hydrocarbon particles settling out of the atmosphere, and instead of lava, Titanian volcanoes spew very cold ice.
posted by Pretty_Generic on Jan 21, 2005 - 28 comments