“ …he was doing a breath hydrogen test. If you know the amount of hydrogen someone is exhaling orally, it's a simple matter to extrapolate the amount they're exhaling rectally. This is because a fixed p… Mary Roach
“ Weightlessness is like heroin, or how I imagine heroin must be. You try it once, and when it's over, all you can think about is how much you want to do it again. But apparently the thrill wears off. Mary Roach
“ US government button specifications run to twenty-two pages. This fact on its own yields a sense of what it is like to design garments for the Army. Mary Roach
“ We are biology. We are reminded of this at the beginning and the end, at birth and at death. In between we do what we can to forget. Mary Roach
“ What sort of person experimentally infests a child with maggots? A confident sort, certainly. A maverick. Someone comfortable with the unpretty facts of biology. Someone who is perhaps himself an unpr… Mary Roach
