If you look at the label of any food, you will probably find that it lists the Calorie content. Calories tell us how much energy you will get by consuming the food. How do scientists measure that energy?

How do you feel? No, I don't mean are you happy or sad? Touch the back of your hand. Did you feel it? How? When you touched your hand, you pressed on nerves in your skin. These nerves reacted and sent a message to your brain, telling you that something touched your hand. Some parts of your skin have more nerves than others. We are going to examine how these nerves are arranged, and see how that can affect the message that your brain gets.

This experiment came from Diane in South-central Pennsylvania. She and her son were discussing ceiling fans, and how they make you feel cooler. They wanted to know if the fan actually cools the room, or does it just feel that way?

There are many things that will float on water: pieces of wood, wax, Styrofoam, and many other things. They float because they are less dense than the water. Now for the question. Can water float on water? Is there a way to make water less dense?

This time we will take a look at the science of cooking green vegetables. Now, some of you may be saying "Ick!", but even if you don't like to eat them, it is still interesting to watch them cook. Also, knowing some of the science may interest you enough to give them a second chance, and you may discover how delicious they are.