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An Introduction to Rare and Endangered Languages

Professor Tim Connell provides an introduction to the field, with...

Evolving in a silent, dark world, organisms developed receptors that...

The visual system has developed to allow us to navigate...

It is not only a personal tragedy to be born...

The transparent tissues of the eye allow light to reach...

Despite sophisticated techniques; Laser, intraocular surgery and contact lenses; spectacles...

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...