Is it possible to tile a surface with a single shape in such a way that the pattern never repeats itself? In 2022, a mathematical solution to this 'Einstein problem' was discovered for the first time.

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Rewriting History, Trump Blames Ukraine for War and Calls Zelensky ‘Dictator’ President Trump made an array of false claims as he tried to cast President Volodymyr Zelensky as a villain who ...

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