Personal genetics company 23andMe wants to give African-Americans a detailed glimpse into the past. Starting today, the company is offering free genetic testing kits to 10,000 African-Americans in hopes to bolster  African-American medical research while allow Black Americans to explore their global origins. Eligible participants must be  of African descent, at least 18 years of […]

Two independent teams of researchers have come up with the most accurate genetic maps ever made — a feat that should make the search for genes associated with diseases easier. To understand why an accurate genetic map is useful, imagine you are trying to locate a house in Topeka, Kan., but the only map you […]

A new study brings researchers one step closer to unraveling a medical mystery that has perplexed scientists for thousands of years: What causes people to stutter?