10 things we didn't know last week
1. Quantas' Sydney to Dallas service is the world's longest commercial flight at 8,568 miles (13,790 km).
2. Mothers think the youngest child is shorter than they really are despite correctly estimating the height of their other children.
3. An apple a day really does keep the doctor away, especially for the over-50s.
4. There is only one floating cat sanctuary in the world - in Amsterdam.
5. Penguins huddle like traffic jams, using a stop-go series of movements to keep the group warm.
6. Tea is more popular in France than coffee is in Britain.
7. Cliff Richard's hit Mistletoe and Wine was originally written as a protest song about poverty.
8. The fashion for tight-fitting jeans caused problems for the manufacture of dollar bills.
9. One in every 200 young American women says they became pregnant while still a virgin.
10. The British send more traditional greeting cards per capita than any other country in the world.
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