bbt5

Solitons

In 2018, scientists discovered a new shape that is essential to multicellular life

Think outside outside the box in our spring 2018 issue. No more tennis puns, primes mod 4, plus all your favourite regulars.

Start your quest to conquer the planet with this introduction to the wonderful world of machine learning

Try our nonograms! And remember, not all puzzles have a unique solution...

Matthew Scroggs spends too much time beating this arcade classic.