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image: Repainting Ancient Birds

Repainting Ancient Birds

By | July 1, 2011

Using synchrotron rapid scanning X-ray fluorescence to map the distribution of trace metals in avian fossils over 120 million-year-old, researchers reconstruct the pigment patterns of their feathers—revealing some of the extinct birds' long-lost colors.

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image: One Hip Dino

One Hip Dino

By | June 13, 2011

University College London researcher Mike Taylor recounts the discovery of a new dinosaur with unusually powerful thigh muscles. Read the full story.

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image: The Anatomy of a High

The Anatomy of a High

By | June 3, 2011

When someone snorts or smokes cocaine, which is composed of small crystalline alkaloid molecules, the drug enters the bloodstream and from there eventually crosses into the heart, brain, and other organs. 

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image: Part Human, Part HIV

Part Human, Part HIV

By | June 3, 2011

Like other enveloped viruses, HIV exits its host cell enshrouded in the cell’s membrane, which contains membrane molecules such as the human leukocyte antigens (HLA). 

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image: Micro Farmers

Micro Farmers

By | May 1, 2011

Columbia University evolutionary ecologist Dustin Rubenstein explains just why it's so interesting and important to find slime molds that engage in a form of agriculture.

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image: The Evolution of Volvox

The Evolution of Volvox

By | January 1, 2011

The volvocine algae are a model system for studying the evolution of multicellularity, as the group contains extant species ranging from the unicellular Chlamydomonas to a variety of colonial species and the full-fledged multicellular Volvox varieties.

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