This Week in PNAS

Researchers led by Cornell University's Alon Keinan report in the Proceedings of the National Academy of Sciences that the human population has increased by about 100-fold during the past 3,000 years to 4,000 years. By focusing on regions of the human gene that are under neutral selective pressures and examining them in people with homogenous ancestry, they devised models showing that people have been experiencing a 3.4 percent population growth rate per generation for about the last 140 generations.

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

Related Posts

This Week in PNAS

This Week in Cell

This Week in PNAS

Changes to Gut Bugs

This Week in PNAS

This Week in PNAS

In Nature this week: association between genome-wide homozygosity and traits like height and cognitive ability, improved CRISPR-Cas9 editing, and more.

A survey examines how age, political leanings, and more influence how Americans view certain scientific topics, the Associated Press reports.

A researcher who pleaded guilty to making false statements in research reports has been sentenced to four and a half years in prison and must pay $7.2 million back to the NIH.

The BabySeq project to study the risks and benefits of sequencing newborns is underway.