Researchers propose a novel scheme to produce isolated attosecond pulses using relativistic electron mirrors, paving the way for next-generation ultrafast spectroscopy. Capturing nature’s fastest ...

Ultrashort laser pulses—that are shorter than a millionth of a millionth of a second—have transformed fundamental science, ...

SPADs employ an avalanche process to generate significant current from a single photon. That results in higher power ...

ORLANDO, Fla. — Three more people were taken into custody on Sunday by Florida Highway Patrol troopers outside of the Pulse memorial. Zane Aparicio, Donavon Short, and Maryjane East are accused of ...

Agriculture Deputy Secretary Stephen Vaden, who has been given the job of implementing the reorganization (USDA photo). The Agriculture Department will complete a reorganization of more than half the ...

NRCS Chief Aubrey Bettencourt speaks at the announcement on regenerative ag Dec. 10. Behind her, from left: Indiana farmer Rick Clark, FPAC Undersecretary Richard Fordyce, California dairy farmer ...

Go on an adventure into unexpected corners of the health and science world each week with award-winning host Maiken Scott. The Pulse takes you behind the doors of operating rooms, into the lab with ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it. Some measure how much air you breathe in or out or how much oxygen is going from your lungs to the ...