11/12/2007

Building blocks of life formed on Mars

Organic compounds contain carbon and hydrogen and form the building blocks of all life on Earth. By analyzing organic material and minerals in the Martian meteorite Allan Hills 84001, scientists at the Carnegie Institution's ...

Analysis of documentary photos revises history

By analyzing some lesser known photographs, taken by world famous documentary photographers, art historian Cecelia Strandroth relates a new history of the Depression Era in the United States. She will publicly defend her ...

New study increases concerns about climate model reliability

A new study comparing the composite output of 22 leading global climate models with actual climate data finds that the models do an unsatisfactory job of mimicking climate change in key portions of the atmosphere.

Hazy red sunset on extrasolar planet

A team of astronomers have used the NASA/ESA Hubble Space Telescope to detect, for the first time, strong evidence of hazes in the atmosphere of a planet orbiting a distant star. The discovery comes after extensive observations ...

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