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VOA: special.2010.07.16

What does he think of Valentine's Day? "I think it's actually a good opportunity to remember those things that we want to do on Valentine's Day you know,special things for the spouse or whoever you probably ought to do them year-round.

VOA: special.2010.02.08

"We also looked at the part of the brain called the hippocampus which is very important for forming the sort of memories we make everyday,you know, when you have to remember a pin number or you have to remember how to get somewhere, and the hippocampus, if it's a good size that means you are less likely to develop Alzheimer's,"

VOA: standard.2009.12.30