As a kids' plaything, it's called oobleck -- a cornstarch suspension that flows at slow speeds but freezes into a solid when you try to move it fast. Washington University scientist Jonathan Katz has just published an article saying it might have succeeded in a "top kill" of the Deepwater Horizon Gulf well where ordinary drilling mud failed.
"Green roofs have become increasingly popular in the United States as a way to beautify and insulate buildings and reduce heat pollution in urban areas, but last week one drew attention for a far different reason: it collapsed."
Rae Tyson reports there may well be a connection between odor-resistant socks and an emerging health and environmental concern.
"Images and data on climate, earthquakes and much more is now available in a new mobile application that offers users simplified access to libraries that until now were tapped mainly by earth and environmental scientists."
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