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.

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

I think first of all during that time, I felt comfortable there. It?s home to me, and I wanted to go back.

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.

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.

Hold onto the knife tight with your whole hand, put your right hand and your knife right on the center of the stump.