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Maths in a minute: The prosecutor's fallacy
Why a DNA match doesn't necessarily prove your guilt.
News story
Easy as ABC?
Mathematicians are working hard to understand an impenetrable proof of the famous ABC conjecture.
Article
What is a block universe?
Has the future already already been written? Is time just an illusion? Take a step outside of spacetime with cosmologist Marina Cortês to discover the block universe.
Article
Time in a block universe
Fundamental physics says time is symmetric - so why does time move forwards for us in a block universe?
Article
Why not block time?
Is time real? Are we just puppets living out a future already written? Marina Cortês explains why she thinks time is fundamental and that we don't live in a block universe.
Article
The future is time
Marina Cortês is one of a growing number of physicists who believe time is fundamental. We ask her about the alternatives theories to the block universe, where time comes first.
Article
There may be more than one of you
The possibility that there might be many parallel worlds has just become a little more likely.
Article
Have you heard? The maths of rumour spreading
Mathematical models predict how fast a rumour will spread and how many people it's likely to reach.
Article
Hunting and being hunted
A model of the interaction between predators and prey explains why sometimes frogs appear to eat snakes.
Article
Maths in a minute: Einstein's general theory of relativity
What would happen if the Sun suddenly exploded? Einstein wondered the same thing, and completely changed our understanding of the Universe.
Article
Time to go retro
A model of backward causation in which the future affects the past could help unite quantum mechanics and general relativity – and satisfy a challenge thrown down almost a century ago by Arthur Eddington.
Article
The cosmic family tree
Mapping the ancestral history of spacetime in an effort to unite quantum mechanics and general relativity.