These incredible optical illusions will have you rubbing your eyes and second-guessing yourself! Click through this gallery ...

Ahead of the momentous 2020 presidential election, Georgia’s state leaders faced a choice. The state’s voting system prior to ...

Optical illusions are a quick test of your observation powers. If you are good at scanning and spotting hidden details in a ...

Speckle contrast optical spectroscopy provides a cost-effective way to assess cerebral blood flow for diagnosis of neurological disorders ...