...if it's yellow, BREATH IT! Scientists have figured out a way to reclaim O2 from astronauts' urine.

Here is a nice animated explanation of things that would make Joleen's head explode. (click on the link "Imagining the 10th Dimension" to begin the show).

The diplomatic approach adopted by the federal Centers for Disease Control and Prevention and used by many doctors avoids the word "obese" because of the stigma. The CDC also calls overweight kids "at risk of overweight."

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