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The Black Dog: Causes and Cures for Depression

Is depression a response to unfortunate life events, or an...

Vision is the dominant sense through which sighted people have...

The discipline of Ophthalmology is recognised both as an early...

It has been claimed that economics is just a branch...

How does my dog see? Do eagles have better vision...

There are many circumstances in which it is important to...

Visual disorders affect the way we see, and therefore would...

Why do humans sleep? How much do we need to...

Charlatan "cures" and "alternative" treatments are widespread and popular. Despite...

Did the eye evolve and, if so, how? Creationists and...