01 Oct '11, 11pm

“@penelopephoto: 25 of the most colorful lakes on earth #nature #landscapes #travel #photography

Crater Lake can not be overlooked. When Kodak first published photos of the lake, the company issued a formal apology to its customers. Kodak could only assume that the unbelievable blue in the pictures had resulted from incorrect processing. Also, shortly after the Crater Lake became a United States National Park, one visitor could not believe that the color of the lake of natural. She went so far as to write her congressman that she though dye was being adding to the lake. "The dramatic color of Crater Lake is the product of its great depth, the purity and clarity of its water, and the way light interacts with water. Water molecules absorb the longer wavelengths of light better (reds, oranges, yellows, and greens). Shorter wavelengths (blues) are more easily scattered than absorbed. In the deep lake, some of the scattered blue light is redirected back up to the surface w...

Full article: http://www.environmentalgraffiti.com/featured/25-most-col...

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15 Most Incredible Slot Canyons on Earth. #nature #travel #lp

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environmentalgraffiti.com 29 Sep '11, 10pm

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First Usain Bolt, and now, Bats | Nature | The Earth Times

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earthtimes.org 01 Oct '11, 6pm

Aerial attack of Daubenton's bat (Myotis daubentonii) on a mealworm slowed down ten times. Just before the bat catches its...

Something strange & colorful blooming in the Great Lakes. Here's a new view from our Aqua satellite.

Something strange & colorful blooming in the Gr...

earthobservatory.nasa.gov 13 Oct '11, 1pm

The brilliant streaks of blue and green that color the Great Lakes in this image are a contradiction. The blue in Lake Mic...