odd spot

1. Six-year-olds laugh an average of 300 times a day. Adults laugh 15-100 times a day.
2. A single 75-watt bulb gives more light than three 25-watt bulbs.
3. Impurities in gemstones give them their colour.
4. The loop on a belt that holds the loose end is called a ‘keeper’.
5. Experts say the common cold will delay a child’s growth for the cold’s duration.
6. The 50-meter-long wall that gave New York’s Wall Street its name was only 3.5 metres tall.
7. The highest temperature on record was 57.78 degrees on 13 September 1992, in Azizia, Libya.