Have you ever looked out at the horizon and wondered how far away it is? I have, and for a person my height (1.76 meters) the horizon is 4.71126 km away.
If you’re not exactly the same height as me you can figure out how far away the horizon is using a series of calculations.
But if you can’t be bothered with all the maths you can head on over to this online calculator and it will do all the hard work for you. 
There are currently over 6.7 billion people on Earth.
Over 200,000 babies were born today and with less than 100,000 deaths, world population is always increasing.
About 70 million computers have been sold so far this year and over 300,000 televisions have been sold today.
100 billion email messages have been sent today and this is one of about 500,000 new blog posts today.
Over 30,000 species have gone extinct this year. And while there are over 1.1 billion overweight people in the world, over 15,000 people died of hunger today.
Strangely, while 1.6 million people have died from smoking related causes this year, there have still been over 8.5 billion cigarettes smoked today alone!
To see more up to the minute worldwide statistics go here.
Special thanks to Hawkheart.
Eating chocolate could improve the brain’s ability to do maths.
Mental arithmetic became easier after volunteers had been given large amounts of compounds found in chocolate, called flavanols, in a hot cocoa drink. They were also less likely to feel tired or mentally drained.
The findings suggest students who binge on chocolate when revising for exams may gain a real benefit from doing so.
The flavanols, part of a group of chemicals called polyphenols, work by increasing the flow of blood into the brain. Read more here.
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