Elite endurance athletes do most of their training at an easy pace, and studies of tens of thousands of everyday runners link ...

A peptide is a short chain of amino acids, usually under fifty residues, that the body uses as a signaling molecule. Most ...

I was one of the people that number eventually included, at a project camp in the province of Toledo. Not as a statistic exactly — more as a person standing in a line, waiting to be told where to go ...

A paper day planner beside a smartphone. Photo by cottonbro studio via Pexels, used as a representative image. A message flashes in the corner of a screen. Answering it takes perhaps 20 seconds. Yet a ...

This article predates the current owners of Science Blog. It has not been reviewed under the current editorial process and is kept as part of the archive. A new study finds that people walk faster and ...

Even when artificial intelligence generates the exact same empathetic response as a human, people value it less simply because they know it came from a machine. A sweeping new study involving over ...

If California’s Latino population were its own economy, it would rank among the world’s largest. A new report from UCLA and California Lutheran University reveals that California Latinos generated ...

For decades, Chagas disease lurked in the shadows of American medicine, dismissed as a Latin American problem that occasionally hitchhiked north with travelers. That comfortable distance just ...

The other morning, I sat alone with a cup of coffee and realised I had been doing absolutely nothing for several minutes. I wasn’t checking my phone, listening to a podcast or mentally rehearsing the ...

For most of the 20th century, one of the most reliable trends in psychology was that intelligence test scores kept rising. The New Zealand researcher James Flynn documented it across dozens of ...

In late December 2025, Waymo’s fleet of driverless robotaxis quietly passed a specific milestone that no autonomous vehicle company had ever reached. The Alphabet subsidiary’s cars completed their 20 ...