Kinetic theory bridges the gap between the big and the small to understand systems made up of many components: from plasmas to people.
Mathematician Katie Steckles tells us about her favourite mathematical moments and why being creative is essential in maths.
Two people who get on well together can often find their relationship destabilised by the arrival of a third into their orbit.
On June 25th 1998 the Solar and Heliospheric Observatory known as SOHO, a small spacecraft that monitors the sun, went missing. An error in the instructions given to it from ground control left it spinning out of control. However, there is a glimmer of hope.