The Conversation Archives - Page 12 of 14

An image of the Mars rover Perseverance.

NASA’s search for life on Mars: a rocky road for its rovers, a long slog for scientists – and back on Earth, a battle of the budge — Amy J. Williams

Is or was there life on Mars? That profound question is so complex that it will not be fully answered...

An image of a man wearing a suit sitting in a chair at a desk putting his hand up to the camera.

Growing secrecy limits government accountability — David Cuillier

When I started covering crime as a reporter for small newspapers in the 1980s, I was assigned to walk to...

Are you one of the millions about to have cataract surgery? Here’s what ophthalmologists say you need to know — Allan Steigleman and Elizabeth M. Hofmeister

Cataract surgery is one of the most popular and commonly performed procedures in the world. The vast majority of patients...

Horses lived in the Americas for millions of years – new research helps paleontologists understand the fossils we’ve found and those that are missing from the record — Stephanie Killingsworth and Bruce J. MacFadden

Many people assume that horses first came to the Americas when Spanish explorers brought them here about 500 years ago....

An image of brain waves emblematic of generalized epilepsy.

A century after the EEG was discovered, it remains a crucial tool for understanding the brain — Giridhar Kalamangalam

Jena, Germany, 1924: Working in near-isolation and with painstaking tediousness, the psychiatrist Hans Berger observes rhythmic electrical activity from the scalp of...

College athletes still are not allowed to be paid by universities – here’s why — Cyntrice Thomas

Ever since July 1, 2021, student-athletes have been able to pursue endorsement deals. But when it comes to getting paid by...

Newly discovered genetic variant that causes Parkinson’s disease clarifies why the condition develops and how to halt it — Matthew Farrer

Parkinson’s disease is a neurodegenerative movement disorder that progresses relentlessly. It gradually impairs a person’s ability to function until they ultimately...

An image of a dark haired woman, wearing a yellow sweater, shrugging her shoulders.

Foundations are using so many confusing words that few people can figure out what they’re doing — Aaron Zeiler and Ann Searight Christiano

The United States has the largest philanthropic sector in the world. Foundations and similar grantmakers have US$1.5 trillion in assets and disburse...