Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. In 1997, Deep Blue, a supercomputer built by IBM, did the unexpected: it defeated chess ...

This page has been put together to help you practise and revisit some of the brilliant skills you’ve learned all through primary school. It’s a great way to boost your confidence in maths and get you ...