15/08/2012

Unmanned US military hypersonic craft failed

An unmanned experimental U.S. aircraft failed during an attempt to fly at six times the speed of sound in the latest setback for hypersonic flight.

Phoenix cluster sets record pace at forming stars

(Phys.org) -- Astronomers have found an extraordinary galaxy cluster -- one of the largest objects in the Universe -- that is breaking several important cosmic records. Observations of this cluster, known as the Phoenix Cluster, ...

New simulations reveal behaviors of the tiniest water droplets

A new study by researchers at the University of California, San Diego, and Emory University has uncovered fundamental details about the hexamer structures that make up the tiniest droplets of water, the key component of life ...

Cayman's imperiled blue iguanas on the rebound

(AP) — The blue iguana has lived on the rocky shores of Grand Cayman for at least a couple of million years, preening like a miniature turquoise dragon as it soaked in the sun or sheltered inside crevices. Yet having ...

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