Looking for a challenging and stimulating activity? Try solving a pattern-based puzzle posted on Instagram by Optical Illusions. The puzzle presents three patterns and asks you to predict the next ...

Posterior capsule opacification, or PCO, is common after cataract surgery, especially after a few years have passed. Even a perfect surgery by a master surgeon still leads to PCO in many cases.

With strong bactericidal properties, graphene has the potential to become a game changer in the fight against antibiotic-resistant bacteria. So far there have been no efficient ways to control these ...