Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
If you took a standard slinky and stretched it out it would measure 87 feet.
52
Coins usually survive in circulation for about 30 years.
66
Macklemore and his hit “Thrift Shop” was the first time since 1994 that a song reached number 1 on the Hot 100 chart without the support of a major record label.
2
Paper money is not made from wood pulp but from cotton. This means that it will not disintegrate as fast if it is put in the laundry.
37
A fire in Australia has been burning for more than 5,000 years!
91