Students haven't lost the ability to work through confusion, but they've developed an automatic reflex to avoid it. Remove the escape hatch, and the ability returns within minutes.

The Babinski reflex, or Babinski sign, is a reflex response in the bottom part of the foot. It occurs as a reaction to stroking the sole of the foot with a blunt object. The Babinski reflex is one ...

To understand the expressive range of the human face, nothing beats watching a colleague scream his head off in slow motion. When my lab began to study protective reflexes in the early 2000s, the ...