A genetic study illuminates population history, as well as the relationships among and the origin of major language families.
The hormone ABA lets plants handle rough times and holds promise for making drought-resistant crops, if only researchers could nail down its molecular partners.
In the largest study ever of African genetic diversity, an international team of researchers reports online in Science this week that Africans are descended from 14 ancestral populations, which often correlate with language and cultural groups.
Plant genes can transfer between cells and across graft junctions, possibly explaining horizontal gene transfer.
A genetic polymorphism associated with schizophrenia conveys a risk for abnormal connectivity between brain regions.