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.

Researchers find that a personalized medicine approach could help people who experience pain while taking statins, New Scientist reports.

US National Science Foundation is continuing its responsible research conduct training policy despite its flaws, ScienceInsider reports.

A CRISPR-themed meeting explored how the tool could and should be used, Wired reports.

In Science this week: database of proteins' effects on cancer, targeted error correction sequencing, and more.