## News from the world of Maths

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.

Fields medallist Caucher Birkar tells us about his work and his unusual mathematical journey.

We're looking forward to taking part in the next Mathscon – Farheen Zehra tells us what we can expect!

Revolutionary laser tools that have changed our lives have won the Nobel prize in physics.

We talk to Ivan Smith, invited lecturer at the ICM 2018, about his work and what he likes about the Congress.

We talk to two of the organisers of the ICM 2022 in Saint Petersburg.

We talk to Nalini Joshi about her mathematics, the International Mathematical Union, and her work in supporting women in mathematics.