Monday, July 6, 2009

Science

Martian Lightning

Amidst a dust storm, scientists find the first direct evidence of electrical discharge on Mars.

Plants & Animals

A great white shark.

The Killing Strategy of White Sharks

Geographic profiling is being applied to track the hunting patterns of white sharks in South Africa

Environment

Fire Influences Global Warming More Than Previously Thought

When vegetation burns, the resulting release of stored carbon increases global warming.

Medical Science

How Technology Is Changing the Medical Profession

Clinical practice guidelines, electronic medical records, and population science are revolutionary.

Brightly lit communities have high rates of breast cancer, according to a new study of cancer data and satellite images of light pollution.

Brightly lit communities have high rates of breast cancer, according to a new study of cancer data and satellite images of light pollution.

Turning Out the Lights

The dangers of a bright night are becoming more apparent.

Arizona Striped Whiptail The Arizona striped whiptail, imperiled because of habitat destruction, is one of 681 species that WildEarth Guardians filed suit against the U.S. Fish and Wildlife Service to protect. In the past two years, no U.S. plant or wildlife species has been added to the list.

Not-Quite-Endangered Species

One conservation group says these 10 species—and 671 others—belong on the endangered list.

Suzanne Critchfield, 68, with grandkids in Oakley, ID and her daughter Annette Hansen, left, look over their family history on a computer. Grandchildren Alysha, 9, Jared, 11, Bruce, 16 and Mark, 21 are seen in the back.

A High-Tech Family Tree

New services use DNA to connect relatives and track down ancestors.

NSF

Reading the Brain Without Poking It

New electrodes may help amputees and the paralyzed by accurately reading the brain's signals.

Scientists Create First Comprehensive Computer Model of Sunspots

These first models of entire sunspots show striking, beautiful detail.

The Secret of a Snake's Slither

Mathematicians uncover the hidden patterns and movements that snakes use to move without legs.

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