Only a handful of animals are known to understand the concept.
This question was the focus of a post that set Reddit alight.
The number was found by a 51-year-old engineer running multiple computers for days on end.
The notoriously reclusive prodigy is waiting for someone to prove him right.
Hafez al-Assad finished in the lower end of the International Mathematical Olympiad in Rio de Janeiro.
By 1921, Einstein was recognized as one of the most talented minds of his generation.