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The great weights problem
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Monochromatic cows
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Puzzle No. 6 - world cup medallions
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Are your multiplication problems real or imaginary?
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Yet more taxis!
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Three-digit numbers
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Science fiction, science fact: reports from the frontiers of physics
What is time? What is space? Are there parallel universes? Join Plus and FQXi on a journey exploring these...
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Make a difference to mathematics
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Researching the unknown
Science is much stranger than fiction. It suggests that our Universe may just be one of infinitely many which...
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The Abel Prize 2013
This year's Abel Prize has been awarded to the Belgian mathematician Pierre Deligne for "seminal...
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Why you shouldn't use a toss for overtime
In soccer a coin toss is used to decide who goes first in a penalty shootout and similarly in American...
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