Find the answer for Greek letter often representing an angle from the people who brought you the USA TODAY Daily Crossword ...

W HEN THE World Health Organisation (WHO) decided in May 2021 to use the Greek alphabet to name “variants of concern” of SARS-CoV-2, it did so for reasons of simplicity.The first was Alpha ...

Like Roman numerals, their system borrowed letters; like the Arabic numerals we still use, it only needed one symbol for each decimal place. In the 6th century BCE, the Greek alphabet used 24 letters.