In every Olympic event, officials try to keep things is as fair as possible. In track, this means making sure runners cover the same distance. Short distances make this easy---simply paint a ...

The audio version of this article is generated by text-to-speech, a technology based on artificial intelligence. This ancient stellar jewellery box, a globular cluster called NGC 6397, glitters with ...

Solving math riddles on the internet might not be on your to-do list, but exams are nearing and math is easily one of the most difficult subjects to master. So, here we are a series of math riddles to ...