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This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

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It's a little too late, I'm a little too gone; A little too tired of this hangin' on: So I'm lettin' go while I'm still strong enough to. It's got a little too sad, I'm a little too blue; It's a little too bad you were too good to be true. I'm big-t

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A: May I ask you a quick question? B: Of course. A: How would you like to go on a date with me this Friday? B: Seriously? A: Well, I figured that we could go see a movie and get some dinner. B: Cool, that sounds like it will be fun. A: We can always

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Hey, I'm going to tell you about my wax museum story. Um, so I would go with my little host brother, Javi, on our little dates because he never went into the city, although he lived really very close to the city, he would just never go into Madrid. S