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The microwave was invented after a researcher walked past a radar tube and his chocolate bar melted in his pocket.

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Truth Serum

By Mark Steer

From Jack Bauer to Harry Potter, truth drugs are commonplace in fiction, but they do have a basis in fact. The most famous is probably is barbiturate, sodium pentothal – a delightful chemical which is also used in lethal injections.

In small doses the chemical makes the neural membranes more permeable to chloride ions, which has the effect of remo