As intelligent life forms in many universes join together to mark the 50th anniversary of Doctor Who, we thought we'd add our own little anniversary acknowledgement by revisiting the Plus posters' moment of fame!
A damaged space station, no ground communications, no power, and only one chance to get it right. No, it's not a movie but the words of astronaut Michael Foale, who used maths to save a space station — and his life.
You don't need to count to see that five apples are more than three oranges: you can tell just by looking. That's because you were born with a sense for number. But is that sense related to the mathematical abilities you develop later on?