Cute: Watch a 4th Grader Explain Why Thursday Is Both ‘Dress for STEM’ & Pi Day

Pi. π. Most of us remember from school that the symbol equates to 3.14, with a whole lot of other numbers following. That’s why so many geek out to memories of geography class on March 14 — and get a chuckle out of the latest Google Doodle .

But do you remember what pi actually stands for? What the number represents?

And have you ever heard of #DressforSTEM Day, which is also March 14?

No? Here’s fourth-grader Ada with everything you need to know:

Ada knows what Pi is, but how many adults do? The 74’s Jim Fields asked the people of Philadelphia — and the results are hilarious:

STEM Superstars: In honor of Pi Day, here are five inspiring teens creating STEM breakthroughs:

And in celebration of Women’s History Month, The 74’s Trinity Alicia explores women’s ongoing impact in STEM and how a hashtag is driving the Pi Day conversation to representation of women in the field: