Now you Know

Many tribes around the world have practised trepanning since the Stone Age. It involves drilling a hole in the skull, often with a stone, to ease headaches by letting out evil spirits. People frequently survived, as many skulls have been found with several such holes, some partially healed.

14729. Science Facts

In 1962, a Dutch doctor decided to try trepanning. He used an electric drill to make a hole in his own head.

14730. Science Facts

Sundew plants have lots of sticky tentacles. When an insect lands on them, it can't escape and the glue on the plant digests the insect's body, feeding the plant.

14731. Science Facts

In 1986, 92 people were killed in Bangladesh by giant hailstones weighing up to 1 kilogram (2 pounds 3 ounces) each.

14732. Science Facts

Sometimes frozen blocks of toilet waste flushed from aeroplanes fall to earth.

14733. Science Facts

The scientific name for fear of slime is blennophobia.

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Thomas Edison, the inventor of the light bulb was afraid of the dark .. More >>