For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...
Python hunter Donna Kalil came out on top for the second time this year in the monthly competition. She captured 21 snakes.
Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't be said when we're asked how many minutes are in 2.4 hours (it's 144).
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