Victoria GillScience correspondent, BBC NewsGetty ImagesScientists have for the first time located the "mileage clock" inside a brain - by recording the brain activity of running rats.Letting them loose ...

Angie BrownBBC Scotland, Edinburgh and East reporterWatch: The moment George saw the cuckoo at Edinburgh's floral clock in Princes Street GardensIn 1995, teacher George Thomson took his P7 class ...