It’s March 1st! Can you believe it? It’s been quite a busy week around the office (TGIF, anyone?) so I’ve got a lot of interesting fodder to share with you. Have a adventurous weekend.

If you’re learning another language, you may want to get your hat measurement retaken. Seriously! This fascinating article states that studies show learning another language literally makes your brain grow.

We already knew math was cool, but these eight videos on the beauty, complexity, and artist nature of math prove it officially.

Ever wonder why school buses are that iconic bright yellow? Look no further than the father of the yellow schoolbus himself, Frank W. Cyr, a professor at Teachers College, Columbia University, who chose the color because it stands out and can be seen from a distance by other drivers. The full article on the history of the bus is definitely worth a read.

A great find from Michael: The Old New York Facebook page features old photographs of New York City streets, buildings, and iconic landmarks. The curator of the page says he’s lived in New York all his life and wants to share it with those who love it too. Sigh.

Those of you who spend a lot of time on the Internet will appreciate this article: BuzzFeed’s “The Best Online Literary Curiosities“ features a range of strange but cool “curiosities” from around the web, like video games and funny tweaked images. Thanks, Dante!

And from Nadia: how do you discover a new book? Did a member of your book club suggest it? Did the cover draw you in? Turns out most people get book recommendations from trusted friends. Makes sense, doesn’t it?

This just in from Kristen, and I think it takes the cake: someone created a REAL invisibility cloak, a la Harry Potter. Watch the demo here!

Finally, Anne sent along this lovely new use for sticky notes: one Indiana school uses them to highlight students’ random acts of kindness.