After a new variant with the unwieldy scientific name of B.1.1.529 was discovered last week in South Africa, observers might have expected WHO to name it after the next Greek letter on the list: Nu.

Of all the variants in circulation, BA.2.86 is a “clear candidate” for a Greek letter designation if it begins to spread widely — although it could also burn itself out like some prior ...

Math lovers: Get excited! Today is National Pi Day. That’s not pie as in dessert. But as in the math symbol — the Greek letter Pi. Keeping it simple, it’s 3.14 — like March … ...

The Greek letter pi represents the mathematical constant that equals a circle's circumference divided by its diameter. The world's most famous irrational number is usually shortened to 3.14 ...

1700s? That’s when a Welsh mathematician, William Jones, began using the Greek letter pi to illustrate the ratio. He didn’t choose pi because he was hungry.