In order to increase young people's interest in nanotechnology, scientists have managed to put a version of the Bible on a chip smaller than a pinhead.

The record for the smallest copy is held by a Bible measuring 2.8x3.4x1cm (1.1x1.3x0.4in), weighing 11.75g (0.4 ounces) and containing 1,514 pages.

The 0.5sq-mm (0.01sq-in) nano-Bible was written on a silicon surface covered with a thin layer of gold (20nanometres thick - 0.0002mm).

The 3 winners of the nanotechnology hazard symbol contest were announced at the World Social Forum in Nairobi.

There were 482 submissions from 24 countries. The winning designs were submitted by Dimitris Deligiannis (Greece), Shirley Gibson (Scotland), and Kypros Kyprianou (Englahd).

"The winning designs will be submitted to international standard-setting bodies responsible for hazard characterisation and could be used as a label on product-packaging or workroom walls."

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Terrorist Attack: "Duck and Cover"