Power from heat [Subscriber Only]
A more efficient material that converts heat into electricity could make a new kind of solar panel possible. sciencenews.org
Glacial lake in Greenland transformed to titanic torrent
For an hour or so Greenland had its own mighty waterfall, flowing secretly at three times the volume of Niagara. A meltwater lake on the surface of a glacier suddenly emptied in July 2006, sending millions of gallons of water through cracks in the ice sheet to the ground where it could affect the movement of the ice. rssfeeds.usatoday.com