Life probably first appeared ~3.7 billion years ago as a simple cell with the ability to replicate. Current extant cyanobacteria represent an early form, or more likely they are a direct descendent, ...

Foundation Professor and Director of the University’s Center for Integrative Neuroscience Michael Webster discusses the complex adaptations of our visual senses in his March 11 Discover Science ...

A color vision test, also known as the Ishihara color test, measures your ability to tell the difference among colors. If you don’t pass this test, you may have poor color vision, or your doctor may ...

The most common types of color blindness, or color vision deficiency, are genetic. However, other types may develop due to injuries, eye diseases, health problems, and side effects of treatment.