When you look at your surrounding environment, it might seem like you're living on a flat plane. After all, this is why you ...

Earth Day 2025 is almost here. Mark your calendars for Northfield’s 16th perennial celebration, Saturday, April 26 from 11 a.m. to 4 p.m. at Armory Square.

While you don’t need topology to determine that you are living on something like a giant beach ball, knowing all the possible 2D spaces can be useful. Over a century ago, mathematicians figured out ...