Howard Hughes Medical Institute

Missing DNA helps make us human

A new study demonstrates that specific traits that distinguish humans from their closest living relatives – chimpanzees, with whom we share 96 percent of our DNA – can be attributed to the loss of chunks of DNA ...

Mar 09, 2011
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What model organisms can teach us about emotion

Scientists know little about how the brain creates and controls emotions - an uncertainty that presents a major obstacle in the effort to develop treatments for emotional disorders. "The study of the brain science of emotion ...

Feb 21, 2010
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Researchers identify new stem cell

(PhysOrg.com) -- Scientists have discovered a new type of stem cell in the skin that acts surprisingly like certain stem cells found in embryos: both can generate fat, bone, cartilage, and even nerve cells. These newly-described ...

Dec 07, 2009
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