Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search News

Displaying 576 - 600 of 3674

Doing the Nano-Shimmy

Imagine a single particle, only one-tenth the diameter of a bacterium, whose miniscule jiggles induce sustained vibrations in an entire mechanical device some

CHO and Tell

Although few people realize it, modern medicine relies heavily on the ovarian cells of Chinese hamsters, not as a direct cure, but rather as a way to engineer

A Map App to Track Stem Cells

Researchers who work with stem cells have ambitious goals. Some want to cure cancer or treat heart disease. Others want to grow the tissues and organs that