Join Mrs. McCartney for a word problem with Professor Barble that will make more sense. Join Mrs. McCartney for a word problem with Professor Barble that will make more sense with a visual model. Get ...

(smooth music) - [Students] Math Mights! - Welcome back, second grade Math Mights. My name is Mrs. McCartney. I'm so excited that you've joined us for some math fun. Today, we're going to do a word ...

Most organic molecules have a mirror-image twin. This concept is known as chirality. Yet life only uses one chiral molecule, not the other. The reason for this asymmetry is one of the greatest ...