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Fun with Visual Illusions

Visual illusions entertain and astonish us. How and why they...

Inflammatory eye disease is the commonest cause of acquired visual...

The eye, although a critical component of sight, is not...

The commonest operation in the world is responsible for restoring...

Identifying people is a fundamental skill and special areas of...

This year is the 200th anniversary of the birth of...

This introduction to the series covers the structure and function...

Among 29 countries where human life expectancy is still 50...

The scramble for Africa in the 1880s saw the unclaimed...

For social animals one of the major skills that must...