Can doctors examine a person's eyes to see the start of the dementia process?
Researchers have suggested that studying mudskippers it could provide insights into the evolution of blinking as these animals transitioned from water to land.
We think that when we close our eyes we only see black, but the truth is more complex and interesting than that.
Not being exposed to daylight following long hours of study causes short-sightedness, leading to a trend in haredi boys.
The parents of the murdered brothers decided soon after the attack to donate their corneas - now they will give eyesight to four other persons.
Oysters, mussels and clams have a mechanism that makes the color of their eyes camouflage to match the color of the water they're in.
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