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Sleep and Dreams

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

How closely are we related to each other, and how...

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

The third lecture in the series deals with tuberculosis, of all...

"Great wits are sure to madness near allied, and thin...

The sexually transmitted disease syphilis is generally thought to have been...

As the eye ages, profound structural changes occur, leading to...

John Powell is an experienced medical advisor on a range...

Personality is partly inborn and mediated by brain structures, hormones...