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Was vaccinating vulnerable people first a good choice? Hindsight allows us to assess this question.

A game you're almost certain to lose...

What are the challenges of communicating from the frontiers of mathematical research, and why should we be doing it?

Celebrate Pi Day with the stars of our podcast,

*Maths on the move*!Maths meets politics as early career mathematicians present their work at the Houses of Parliament.

Why can't there be large quantities of matter too far away to see, yet close enough that its gravity is affecting those objects far away from us that we CAN see, pulling them away from us? That, if we knew their location and quantity, may well fit with Einstein's gravity. For that matter what if the quantity of that matter is practically infinite, being left over from previous big bangs and expansions?