If you’re already an avid nature lover, you’ll have noticed how your body calms down at the sight of nature. Your heart rate slows, you feel calmer and your thinking becomes more clear.

That's rarely how they appear in nature, of course ... show what he calls "animals' incredible ability to vanish in plain sight." In these photographs (taken in Kenya, South Africa, Panama ...

The loss of RPECs damages photoreceptor integrity, leading to sight deterioration and blindness. The other form is wet AMD, a condition where blood vessels overgrow at the back of the eye ...