free radicals | Life & News

Thursday, September 11, 2025

science

Cells become zombies when the ends of their chromosomes are damaged...

Staff Writer - July 19, 2022

Patricia Opresko, University of Pittsburgh Health Sciences and Ryan Barnes, University of Pittsburgh Health Sciences The Research Brief is...

EXPLORING NATURE

More than 9 in 10 women take at least one medication during pregnancy, yet data on prescription drugs’ effects on the fetus are sparse. Adam Hester/Tetra images via Getty Images

Education

Pregnant women face tough choices about medication use due to lack...

Staff Writer - August 30, 2025

Almut Winterstein, University of Florida and Sonja Rasmussen, Johns Hopkins University A panel convened in July 2025 by the...

A pilot program to distribute waste bags to hikers on Mount Elbert in Colorado successfully cut down the amount of human waste on the massive mountain. Shari Edelson, CC BY-ND

How to poop outdoors in a way that won’t harm the...

August 29, 2025

Kratom, an herbal supplement, is now being regulated in Colorado. AR30mm/iStock via Getty Images

Balancing kratom’s potential benefits and risks − new legislation in Colorado...

August 29, 2025

Crowds often form at popular places in U.S. national parks, like the entrance to Yosemite Valley in California. Jim West/UCG/Universal Images Group via Getty Images)

As National Park System visitor numbers hit record highs, here’s how...

August 28, 2025

The red square on this 1767 map of St. Croix marks where Danes believed the Maroon settlement was. Paul Kuffner/Royal Danish Library

Escaped slaves on St. Croix hid their settlements so well, they...

August 27, 2025