
To the Brain, a Tool Is Just a Tool, Not a Hand Extension
Recent findings have implications for the design of prostheses. Care for a third thumb, anyone?

To the Brain, a Tool Is Just a Tool, Not a Hand Extension
Recent findings have implications for the design of prostheses. Care for a third thumb, anyone?

The Ups and Downs of an Impossible Staircase
A 3-D reimagining of a classic illusion reveals new depths


What It’s Like to Have Face Blindness during the Pandemic
Before COVID, I would often be embarrassed when I didn’t recognize someone while walking my dog. Not now

Students Who Gesture during Learning ‘Grasp’ Concepts Better
Hand movement appears to help in teaching about statistical models

Decoding the Puzzle of Human Consciousness
Video produced in partnership with The Great Courses. All Great Courses video content is available only to subscribers with the password sent via email.

Baby Talk and Lemur Chatter—but Not Birdsong—Help an Infant’s Brain Develop
Researchers probe the outer boundaries of what types of sounds human infants tune in to for building cognition

Amanda Gorman, Poet Laureate and Gesturer Laureate
She shows us that gestures are not mere hand-waving. They can convey images that magnify speech or even add new ideas that are not found in the spoken word

People Literally Don’t Know When to Shut Up—or Keep Talking—Science Confirms
We are really bad at navigating a key transition point during one of the most basic social interactions

Are Dolphins Right-Handed or Left-Handed?
That is a trick question because dolphins obviously don’t have hands. But studying whether they have “handedness” led to identifying a quirk of human perception

People Answer Scientists’ Queries in Real Time while Dreaming
Researchers demonstrate that during REM sleep, people can hear—and respond to—simple questions such as “What is eight minus six?”

Masks Can Be Detrimental to Babies’ Speech and Language Development
The good news is that parents can take action to compensate

How the Brain Responds to Beauty
Scientists search for the neural basis of an enigmatic experience