Genetics

New clues into the genetic origins of schizophrenia

The first genetic analysis of schizophrenia in an ancestral African population, the South African Xhosa, appears in the Jan. 31 issue of the journal Science. An international group of scientists conducted the research, including ...

Medical research

Researchers regrow damaged nerves with polymer and protein

University of Pittsburgh School of Medicine researchers have created a biodegradable nerve guide—a polymer tube—filled with growth-promoting protein that can regenerate long sections of damaged nerves, without the need ...