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Puzzles

Puzzle page
Try your hand at some tricky trig!
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Puzzle page: The Möbius Challenge
Set your beloved heart a-flutter with this mathematical valentine
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Puzzle page
Count up your booty of jewels and potions!
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Puzzle page
The 3 3 8 8 puzzle
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Puzzle page
A greek soldier, and a persion soldier walk into a battle...
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Puzzle page
Similar triangles and colouring the plane
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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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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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What Planck saw
Cosmologists gathered in the Netherlands last week to discuss a new view of the Universe. The Universe as...
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