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A positive spin on our past can help inure us against pain.

Without some downtime, artificial neural networks become catastrophically forgetful.

A spotlight on the personal life of the trailblazing philosopher.

James Dewar, the creator of cordite, likely helped win World War I. But why never a Nobel?

One question for Matt Killingsworth, a psychologist at the University of Pennsylvania.

An artwork, sculpted with science, defines our times.

Nearly every evolutionary question can find an answer in mucus.

Nuclear winter is just the beginning.

Your brain is not the root of cognition.

One question for Jillian Scudder, astrophysicist and author of “The Milky Way Smells of Rum & Raspberries.”

A parasite infection can make a leader of the pack—or a dead wolf.

Richard Feynman’s path integral is both a powerful prediction machine and a philosophy about how the world is. But physicists are still struggling to figure out how to use it, and what it means.