At any point in time there are two points on the Earth's equator with the same temperature.
Researchers have shown that the fates of our collective memories, whether of a song, a research paper, an invention or a sports star, are all described by the same mathematical equation.
A new prime number with nearly 25 million digits was discovered just in time for Christmas.
At Stephen Hawking's 70th birthday symposium we talked to Astronomer Royal Martin Rees, some of Hawking's former students, and his graduate assistant.
On the 100th anniversary of Srinivasa Ramanujan being elected fellow of the Royal Society Ken Ono tells us about his work.
Are the unchanging numbers that define our universe really unchanging?