@CNN: Unless you’re a mathematician or scientist, you probably don’t encounter pi very often. Today is a good day to encounter it. It’s #PiDay! Here’s why it matters: https://t.co/0vTlAFL9K0

@CNN: Unless you’re a mathematician or scientist, you probably don’t encounter pi very often.

Today is a good day to encounter it. It’s #PiDay! Here’s why it matters: https://t.co/0vTlAFL9K0