Can you walk on your hands?
CAUTION: although some of the commentaries mentioned may seem "out there", remember it's all written with Ruach HaKodesh (Hayom Yom - 6 Shevat).
Listen to the end for alternate explanation.
Who were Eldad and Meidad and what did they prophesize about?
If G-d wanted us circumcised, wouldn't he have created us that way? Understanding what circumcision has to do with a woman's impurity at birth....