If there's one subject a lot of people really disliked at school (aside from P.E.) it was maths. Trying to work out all those equations, fractions and percentages gave me a stonking headache and I'm ...

One afternoon, Lori Anderson and her 7-year-old, Lindsey, spotted a small maple tree in La Mirada, California. Anderson asked her daughter how many leaves she thought were on the tree. Lindsey’s guess ...