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knots in chemistry
Why knot: knots, molecules and stick numbers
Knots crop up all over the place, from tying a shoelace to molecular structure, but they are also elegant mathematical objects.
asks when is a molecule knot a molecule? and what happens if you try to build a knot out of sticks?
Middle class problems
A famous question involving networks appears to have come closer to an answer.
What is a black hole – physically?
Small, dark, and very hard to see. This and far more indepth answers to every question you ever wanted to...
Where would the world be without mathematics?
A new competition invites young people aged 11 to 19 to explore the history of maths for a chance to win cash...
A new particle for Christmas?
A bump in the data from the LHC promises exciting news.
Playing with numbers
Here's a game: pick a positive natural number and if yours is the smallest number no one else has picked, you...
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