This lady can control the pupil’s dilation and constriction. This video is the demonstration of voluntary pupil dilation and constriction, challenging conventional understanding of autonomic nervous system control, as studied in a 2021 ScienceDirect publication.
Scientists discovered the world’s largest spiderweb, covering 106 m² in a sulfur cave on the Albania-Greece border. Over 111,000 spiders from two normally rival species live together in a unique, self-sustaining ecosystem—a first of its kind.
