Latest Sarah Tishkoff Stories
While most people lose the ability to digest the milk sugar lactose after infancy, some populations retain high levels of an enzyme called lactase, which allows them to continue to reap the nutritive benefits of milk
A new study from researchers at the University of Pennsylvania has found a genetic mutation making certain people more sensitive to the taste of a bitter compound could have been beneficial for certain human populations in Africa, resulting in the mutation being passed on from generation to generation.
f Pygmies are known for one trait, it is their short stature: Pygmy men stand just 4'11" on average.
Long the bane of picky eaters everywhere, broccoli’s taste is not just a matter of having a cultured palate; some people can easily taste a bitter compound in the vegetable that others have difficulty detecting.
For tens of thousands of years, the genomes of malaria parasites and humans have been at war with one another.
Genetic researchers from the University of Pennsylvania have combined data from existing archaeological and linguistic studies of Africa with human genetic data to shed light on the demographic history of the continent from which all human activity emerged.
People who identify as African-American may be as little as 1 percent West African or as much as 99 percent, just one finding of a large-scale, genome-wide study of African and African-American ancestry released today.
An international team of researchers has reported the largest-ever study of genetics in Africa that helps pinpoint where human evolution began.
- In medieval musical notation, a sign or neume denoting a shake or trill.