Biosignature | Life & News

Thursday, October 30, 2025

NASA’s Perseverance rover explores Mars’ Jezero Crater. NASA/JPL-Caltech/MSSS, CC BY-NC

Articles

Scientists detected a potential biosignature on Mars – an astrobiologist explains...

Staff Writer - September 13, 2025

Amy J. Williams, University of Florida As the Perseverance rover traversed an ancient river valley in Mars’ Jezero Crater...

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