The Royal Navy is half the size it was in 1990.
Black holes remain theoretical and have never been observed.
43% of the saline solution used in the US is made in Puerto Rico.
Japanese researchers have created a drinkable alcohol made from trees.
A rat in India has been found dead after breaking into an ATM and eating $18,000-worth of cash.
The Spanish company that owns Heathrow, Glasgow, Aberdeen and Southampton airports is relocating from Oxford to the Netherlands.