1- Can you solve "Einstein’s Riddle"? - Dan Van der Vieren
2- Can you solve the prisoner hat riddle? - Alex Gendler
4- Can you solve the bridge riddle? - Alex Gendler
5- The unexpected math behind Van Gogh's "Starry Night" - Natalya St. Clair
6- Is math discovered or invented? - Jeff Dekofsky
7- What's the difference between accuracy and precision? - Matt Anticole