Metaphors activate sensory areas of brain

Regions of the brain activated by hearing textural metaphors are shown in green. Yellow and red show regions activated by sensory experience...

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African-Americans and the toll of AIDS

HIV-AIDS is the third leading cause of death among African-American men and women between the ages of 35 and 44. Today is National Black HIV...

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On the trail of black flies and river blindness

The parasite that causes river blindness, Onchocerca volvulus , is transmitted through the bite of the black fly. In the above photo, the pa...

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