If you ever notice pesky dark strands that may resemble anything from a simple speck to a cobweb drifting across your vision, what you're probably seeing is what's known as an eye floater.

The authors propose that floaters are usually diffraction patterns cast on the retina by red blood cells They are the spots that most people occasionally see before their eyes.

Shohei Ohtani and Yoshinobu Yamamoto led the way as the Dodgers began their title defense with a victory. Scott Pianowski ...