Add Yahoo as a preferred source to see more of our stories on Google. Humans are finite creatures. Our brains have a finite number of neurons and we interact with a finite number of people during our ...

IT'S an absolute. Mathematics has put speed limits on cooling, finally proving a century-old law – that unless you have infinite time and resources, you can't get to the absolute zero of temperature.

For sheer brilliance, it was hard to beat John von Neumann. An architect of the modern computer and inventor of game theory, von Neumann was legendary, above all, for his lightning-fast mental ...