Science

What is lost when a worker completes actions—such as helping a client or ensuring safety—in exchange for incentives like digital badges, placement on a leaderboard, or in-office rankings? A study by Carnegie Mellon University researcher Tae Wan Kim challenges the…

A new study challenges the idea that climate change drove early human innovation. Instead, researchers find that cultural developments arose under different environmental conditions, shaped by movement, interaction, and knowledge sharing.

“We studied the last several orbits before the merger, when the entwined magnetic fields undergo rapid and dramatic changes, and modeled potentially observable high-energy signals.”

As a member of the Crew Operations Office, Erin Edwards and her team manage astronaut candidate training schedules, including field medical exercises, land survival, and underwater operations at NASA’s Neutral Buoyancy Laboratory in Houston. She also develops and tests new training programs to…

It is time for Star Trek to boldly go where no streaming series has gone before: back to the 20+ episode seasons of old!

Around the world, millions of families have suffered forcible separation, through war, trafficking, natural disasters, or socioeconomic crises. In China, family separation is a particularly large-scale and far-reaching problem. Following the enactment of the country’s One Child Policy in 1979,…

Ages ago, when societies were organized around small villages, a person’s security and sense of belonging depended partly on how close they were to the village chiefs and elders. If the village was attacked, those closest to the powerful had…

For over a century and a half, life expectancy has steadily increased in the wealthiest countries. Spectacular climbs in longevity have been noted in the 20th century, correlating with the slump in infectious illnesses and advances in cardiovascular medicine.

Cellphones are everywhere—including, until recently, in schools.

On Jan. 19, a powerful geomagnetic storm pushed auroral activity far beyond its usual range, allowing this exceptional sighting over Brazil.