Polio and herd immunity | Life & News

Thursday, October 30, 2025

Health

Medicine is an imperfect science – but you can still trust...

Staff Writer - September 9, 2021

Venktesh Ramnath, University of California San Diego The Conversation is running a series of dispatches from clinicians and researchers...

EXPLORING NATURE

If consumed in high doses, lead and other heavy metals have serious, well-documented health risks. whitebalance.space/E+ via Getty Images

Food

Protein powders and shakes contain high amounts of lead, new report...

Staff Writer - October 18, 2025

C. Michael White, University of Connecticut Powder and ready-to-drink protein sales have exploded, reaching over US$32 billion globally from...

Many fruits and vegetables are high in antioxidants. istetiana/Moment via Getty Images

Antioxidants help stave off a host of health problems – but...

October 17, 2025

Many physicians who aren’t U.S. citizens come to the U.S. to do medical residency programs. SDI Productions/E+ via Getty Images

How new foreign worker visa fees might worsen doctor shortages in...

October 17, 2025

A scene on the Erie Canal painted in 1842, two decades after the canal opened. Bettmann/Getty Images

Erie Canal’s 200th anniversary: How a technological marvel for trade changed...

October 15, 2025

The Stanford linear accelerator creates super short X-ray pulses. Steve Jurvetson/Flickr, CC BY

Our team of physicists inadvertently generated the shortest X-ray pulses ever observed

October 15, 2025