It's really magic to cut off one plant and make it grow into another, and so the magic of plant science is exciting and it's very real, and they can do it very quickly and we like that part.

The third time tap it really hard and it will go right into the wood.

They're going to go home and every time they eat an apple, they'll remember how much sugar is produced by this tree and maybe they'll eat fewer snicker bars and eat more Pink Lady apples.

I enjoy students who are hungry to learn a new subject, and I watch their faces when they're learning, and that's a real special feeling for you.