Optimists have similar patterns of brain activation when they think about the future—but pessimists are all different from ...

In only its second year, the International Logic Olympiad is already booming as logic becomes more and more crucial in our ...

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous levels for tens of millions of people. In the Midwest, the humidity will be ...

A SkyWest pilot’s last-second decision could have prevented a collision that air traffic controllers may not have foreseen ...

Benjamin Walker is a senior lecturer in organizational behavior at Te Herenga Waka–Victoria University of Wellington in New Zealand. He studies experts and expertise, the work-identity interface, ...

Lauren Keating is an associate professor of organizational behavior and psychology at Emlyon Business School in France, as ...

Acknowledging the limits of one’s own knowledge could be as important a signal of expertise as credentials and confidence ...

The Langlands program has inspired and befuddled mathematicians for more than 50 years. A major advance has now opened up new ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing a jigsaw every weekday to show off some of our most ...

Find one million consecutive positive numbers, none of which are prime.

Discover why some puzzles stump supersmart AIs but are easy for humans, what this reveals about the quest for true artificial ...