10/06/2008

Hubble's sweeping view of the Coma Galaxy Cluster

Hubble's Advanced Camera for Surveys has observed a large portion of the Coma Cluster, stretching across several million light-years. The entire cluster is more than 20 million light-years in diameter, is nearly spherical ...

Liquid Crystals Slow Light Pulses to a Snail's Pace

In a vacuum, the speed of a light pulse is always a constant at 186,000 miles (300,000 km) per second. But by changing the medium through which light travels, physicists can slow down light pulses, and possibly create highly ...

New study reveals large scale conservation essential

Scientists were surprised with findings of a recent study that reveals many animal species believed to persist in small contained areas actually need broad, landscape level conservation to survive.

Arsenic and new rice

Amid recent reports of dangerous levels of arsenic being found in some baby rice products, scientists have found a protein in plants that could help to reduce the toxic content of crops grown in environments with high levels ...

How the brain separates audio signals from noise

How are we able to follow a single conversation in the midst of a crowded and noisy room? Little is known about how the human brain accomplishes the seemingly simple task of extracting meaningful signals from noisy acoustic ...

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