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.

News and Updates

Displaying 4851 - 4875 of 5077

Keeping Drugs Stable Without Refrigeration

A spoonful of sugar may help the medicine go down, but it may take only a thin coating of freeze-dried sugar to keep insulin, vaccines and other heat-sensitive

Background on Quantum Key Distribution

Quantum encryption systems use lasers to generate individual pulses of light called photons. Each photon is sent in one of two modes, either vertical/horizontal

Satellite Measures Sun's True Power

Scientists expect to gain important information about the sun's effect on the Earth's atmosphere and climate from sophisticated instruments—all calibrated by

Gebbie Wins Service to America Medal

The following is an excerpt from the awards ceremony program for the Service to America Medals. The awards are a joint program of Government Executive, National
Was this page helpful?