1. the humber river drains 1/5th of the water in england every day.

2. the fall of the berlin wall increased germany’s population by a quarter, its territory by two-fifths and its economy by a tenth.

3. kidnappers, prostitutes and corrupt government officials in iraq often demand payment in mobile phone credit.

4. about 70% of the connections between your ear and your brain bring messages from the brain to the ear, not the other way around.

5. approximately 767,000,000 kg of cigarette butts wind up as litter worldwide every year.