Jointly active when it matters: Nerve cells in the eye work together to recognize contrast and movements
The processing of optical information in the retina of the eye, where the light-sensitive photoreceptors and the first nerve ...
Optical Illusion Eye Test Challenge: Only The Ones With Excellent Observation Skills Can Find the Letter 'A' Hidden Among the Numbers
An optical illusion eye test challenges viewers to find the hidden letter "A" among a grid of 4s and 0s. This viral brain ...
Optical illusion personality test: Are you too logical or intuitive?
Optical illusion personality tests use deceptive images to reveal traits based on what people see first. This test ...
unilad1d
Video 'guide' explains what the color of your urine says about your health and when to be concerned
A video 'guide' has explained what the color of your urine says about your health and when there should be a cause for concern. While you may not think twice about the color of your urine when ...
Globalair6d
FAA modernizes color vision testing
As of Jan. 1, the FAA began requiring all applicants for an initial airman medical certificate to test for color vision ...