New discoveries in science

Why do we cry when we are sad, joyful, moved by music, or simply exposed to an onion? Why does worry, concentration, poor eyesight, or anger bring the brows together? And how did the human smile develop from an animal expression of warning? These everyday actions become fascinating clues when viewed through physiology, psychology, and evolution.

This engaging collection explores the hidden science behind familiar human reactions and other intriguing discoveries. With clear explanations and lively examples, it connects emotions to the body’s mechanisms, showing how tears can relieve physical tension, how frowns may aid concentration or vision, and how gestures may preserve traces of our distant animal past. Designed for curious listeners, it invites you to look again at ordinary behavior and discover the remarkable processes working beneath the surface.