As of 2010, the tallest building in the world is the Burj Khalifa in Dubai, UAE. It reaches an incredible 828 metres (2717 feet) in height.

The Grammy Awards were introduced to counter the threat of rock music. In the late 1950s, a group of record executives were alarmed by the explosive success of rock 'n roll, considering it a threat to "quality" music.

If all the salt were to be extracted from the Earth's oceans, you would have enough salt to cover all of the continents five feet deep.

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