07 February 2017

What's the difference between a US and a UK billion?

07 February 2017

If pi just keeps going, how do we keep finding more numbers?

06 February 2017

If you started counting when you were born, what number would reach before you died?

11 October 2015

Marco asked "what wind speed will make my truck blow over?" Rosalind Davies quizzed Zephyr Penoyre from...

13 April 2008

How much air does the average car hold? If it were perfectly sealed, how long could you keep driving for without...