And we're trying to ask them to cut the hamburgers in half for kids who don't eat so much. If you're still hungry, you can go back for more.

An awful lot of people who are walking around, seemingly healthy, drop dead of heart attack at 45 or 50. If we were better at identifying who those people are ahead of time, we could act aggressively to, for example, lower their cholesterol.

That's when doing these types of tests enters a new realm. That's classic personalized medicine.

If all schools were green schools, we would recycle a lot more. If we keep on like we're going, the landfill will fill up in 14 years and we'll have to pay more for garbage and it will be bad.