23/10/2012

Dry soils make for a stormy brew

Water: about 60 % of our body weight is made up of it; it is the body's principal chemical component. Every system in our body depends on it; it carries nutrients to our cells and it takes toxins out of vital organs. Without ...

Mysterious feathered dinosaur was agile flyer

(Phys.org)—In 2003, a mysterious and surprising dinosaur was discovered that possessed not only wings on its arms but also long feathers on each leg forming a "hind wing." This was a completely new and unexpected body plan ...

The Solar System's grandest canyon

Earth's Grand Canyon inspires awe for anyone who casts eyes upon the vast river-cut valley, but it would seem nothing more than a scratch next to the cavernous scar of Valles Marineris that marks the face of Mars.

Scientists fight 'super weeds' with sustainability

(Phys.org)—Across the United States, fields of genetically engineered crops have become laboratories for the evolution of glyphosate-resistant (GR) weeds. These fast-growing "super weeds"—resistant to the highly effective ...

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