Cataracts in dogs and cats
A cataract is an eye condition where the lens of the eye becomes cloudy and causes vision impairment. Find out how to spot cataracts in your dog or cat.
Researchers have found that just 15 minutes of sensory deprivation can cause vivid hallucinations. But this technique can also be used to help clear the mind.
Can gazing into the eyes of the person you love indicate their true feelings? We delve into the story behind pupil dilation and romance.