Genetics

Most mutations come from dad

Humans inherit more than three times as many mutations from their fathers as from their mothers, and mutation rates increase with the father's age but not the mother's, researchers have found in the largest study of human ...

HIV & AIDS

Replication of immunodeficiency virus in humans

Drs. Beatrice Hahn and Frank Kirchoff led an international research effort to understand what adaptations allow a chimpanzee strain of SIV to replicate in human tissues.

HIV & AIDS

HIV group N case detected outside Cameroon for the first time

A rare type of HIV-infection -- group N -- has been diagnosed in a man in France who recently travelled to Togo, meaning that it has been detected outside Cameroon for the first time. This type of HIV infection is much more ...

Neuroscience

Brain differences between humans and chimpanzees linked to aging

Chimpanzees, the closest living relatives to humans, do not experience a decrease in brain volume as they age like humans do, according to a study by George Washington University researcher Chet Sherwood and his colleagues. ...

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