A holistic approach to addressing food security in Africa

The African continent faces a multitude of challenges, and food security is among the most pressing. New research by an international team of researchers sheds light on the challenges and opportunities facing the African ...

Low oxygen triggers moth molt

A new explanation for one of nature's most mysterious processes, the transformation of caterpillars into moths or butterflies, might best be described as breathless.

Water filtration membranes morph like cells

Morphogenesis is nature's way of building diverse structures and functions out of a fixed set of components. While nature is rich with examples of morphogenesis—cell differentiation, embryonic development and cytoskeleton ...

How intricate patterns arise in developing tissues

Early development is like a carefully choreographed dance, with uniform swaths of cells arranging themselves into elaborate patterns—a first step toward the formation of functional organs. A flat layer of skin cells, for ...

Palm's webOS hasn't gotten the attention it deserves

Lost in the recent deluge of smart-phone news -- Apple's iPhone store hitting 100,000 applications, and the launches of the new Droid phone and the BlackBerry Storm, among other things -- have been the efforts of longtime ...

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