News tagged with biological imaging

Explained: Directed evolution

In nature, evolution takes place over eons: A slow accumulation of adaptations gradually produces new traits and species. But evolution can also happen on a small and fast scale in the laboratory.

May 13, 2010
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Gold Nanobeacons Detect Sentinel Lymph Nodes

(PhysOrg.com) -- Virtually every patient diagnosed with breast cancer or melanoma undergoes lymph node biopsy to determine if their cancer has begun spreading in the body. Taking this biopsy involves an invasive and uncomfortable ...

Mar 25, 2010
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Cracking the brain's numerical code

By carefully observing and analyzing the pattern of activity in the brain, researchers have found that they can tell what number a person has just seen. They can similarly tell how many dots a person has been presented with, ...

Sep 24, 2009
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Our nostrils share a rivalry too, study finds

Your nostrils may seem to be a happy pair, working together to pick up scents. However, a study published online on August 20th in Current Biology reveals that there can actually be a kind of rivalry betwee ...

Aug 20, 2009
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