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It runs and runs but can nev...

It runs and runs but can never flee. It is often watched, yet never sees. When long it brings boredom, When short it brings fear. What is it?

Correct answers: 68

The first user who solved this task is Linda Tate Young.

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What's your job?

Me: What's your job?
Him: I'm an assassin.
Me: Good pay?
Him: I make a killing!

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Paul Joseph Cohen

Born 2 Apr 1934. American mathematician who received the Fields Medal (1966) for his fundamental work on the foundations of set theory. Cohen invented a technique called "forcing" to prove the independence in set theory of the axiom of choice and of the generalised continuum hypothesis. The continuum hypothesis problem was the first of Hilbert's famous 23 problems delivered to the Second International Congress of Mathematicians in Paris in 1900. Hilbert's famous speech The Problems of Mathematics challenged (then and now) mathematicians to solve these fundamental questions and Cohen has the distinction of solving Problem 1. He also worked on differential equations and harmonic analysis.«

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