The projector is set up. The chairs are neatly aligned, with water glasses arranged in the center of the table. It’s near-perfect. In 10 minutes, one of the biggest potential clients your company has ...

RESEARCHERS have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study shows that the pupil is smallest during inhalation and largest during exhalation ...

For over a century, scientists believed that light, focus distance, and cognitive effort were the main forces behind changes in pupil size. But a new discovery adds breathing to that list. Researchers ...