20/12/2012

Eighth Landsat satellite arrives at launch site

An oversized semi-trailer truck carrying NASA's Landsat Data Continuity Mission (LDCM) has arrived at its launch site at Vandenberg Air Force Base in California in preparation for launch. This NASA and U.S. Geological Survey ...

Discovery may pave way to genetically enhanced biofuel crops

Best known for its ability to transform simmering pots of sugared fruit into marmalades and jams, pectin is a major constituent of plant cell walls and the middle lamella, the sticky layer that glues neighboring plant cells ...

Peacock love songs lure eavesdropping females from afar

Deep in the scrublands of Keoladeo National Park in northwest India, one thing was hard for biologist Jessica Yorzinski to ignore: It wasn't the heat. It wasn't the jackals. It was the squawks of peacocks in the throes of ...

Clays on Mars: More plentiful than expected

(Phys.org)—A new study co-authored by the Georgia Institute of Technology indicates that clay minerals, rocks that usually form when water is present for long periods of time, cover a larger portion of Mars than previously ...

Protein engineers create new biocatalysts

Protein engineers at the California Institute of Technology (Caltech) have tapped into a hidden talent of one of nature's most versatile catalysts. The enzyme cytochrome P450 is nature's premier oxidation catalyst—a protein ...

Wallace's century-old map of natural world updated

Until today, Alfred Russell Wallace's century old map from 1876 has been the backbone for our understanding of global biodiversity. Thanks to advances in modern technology and data on more than 20,000 species, scientists ...

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