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Mary Roach

Mary Roach is a science author who specializes in the bizarre and offbeat; with a body of work ranging from deep-dives on the history of human cadavers to the science of the human anatomy during warfare.

Mary Roach is the author of the New York Times bestsellers STIFF: The Curious Lives of Human Cadavers; GULP: Adventures on the Alimentary Canal, PACKING FOR MARS: The Curious Science of Life in the Void; BONK: The Curious Coupling of Science and Sex; and GRUNT: The Curious Science of Humans at War.

Mary has written for National Geographic, Wired, Discover, New Scientist, the Journal of Clinical Anatomy, and Outside, among others. She serves as a member of the Mars Institute's Advisory Board and the Usage Panel of American Heritage Dictionary. Her 2009 TED talk made the organization's 2011 Twenty Most-Watched To Date list. She was the guest editor of the 2011 Best American Science and Nature Writing, a finalist for the 2014 Royal Society Winton Prize, and a winner of the American Engineering Societies' Engineering Journalism Award, in a category for which, let's be honest, she was the sole entrant.


“The slang for the rectum is "prison wallet".”
Mary Roach
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“With the rise of classical Greece, the soul debate evolved into the more familiar heart-versus-brain, the liver having been demoted to an accessory role. We are fortunate that this is so, for we would otherwise have been faced with Celine Dion singing "My Liver Belongs to You" and movie houses playing The Liver Is a Lonely Hunter. Every Spanish love song that contains the word corazon, which is all of them, would contain the somewhat less lilting higado, and bumper stickers would proclaim, "I [liver symbol] my Pekingese.”
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“…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 percentage of hydrogen produced in the colon is absorbed into the blood and, and when it reaches the lungs, exhaled. The breath hydrogen test has given flatus researchers a simple, consistent measure of gas production that does not require the subject to fart into a balloon.”
Mary Roach
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“It tastes like water spiked with strange.”
Mary Roach
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“Gravity disappears again, and we rise up off the floor like spooks from a grave. It's like the Rapture in here every thirty seconds.”
Mary Roach
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“think of it.' said Robert Rosenbluth, a doctor whose acquaintance i made at the start of this book. 'no engineer could design something as multifunctional and fine tuned as an anus. to call someone an asshole is really bragging him up.”
Mary Roach
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“Meaning 'by way of the anus'. 'Per Annum', with two n's, means 'yearly'. The correct answer to the question, 'What is the birthrate per anum?' is zero (one hopes).”
Mary Roach
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“I challenge you to find a more innocuous sentence containing the words sperm, suction, swallow, and any homophone of seaman. And then call me up on the homophone and read it to me.”
Mary Roach
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“Moeller, who has tasted a naked Cheeto, likens it to a piece of unsweetened puffed corn cereal”
Mary Roach
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“People can't anticipate how much they'll miss the natural world until they are deprived of it. I have read about submarine crewmen who haunt the sonar room, listening to whale songs and colonies of snapping shrimp. Submarine captains dispense 'periscope liberty'- a chance to gaze at clouds and birds and coastlines and remind themselves that the natural world still exists. I once met a man who told me that after landing in Christchurch, New Zealand, after a winter at the South Pole research station, he and his companions spent a couple days just wandering around staring in awe at flowers and trees. At one point, one of them spotted a woman pushing a stroller. 'A baby!' he shouted, and they all rushed across the street to see. The woman turned the stroller and ran.”
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“I began thinking about my skeleton, this solid, beautiful thing inside me that I would never see.”
Mary Roach
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“Gravitation is the lust of the cosmos.”
Mary Roach
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“To the rocket scientist, you are a problem. You are the most irritating piece of machinery he or she will ever have to deal with. You and your fluctuating metabolism, your puny memory, your frame that comes in a million different configurations. You are unpredictable. You're inconstant. You take weeks to fix. The engineer must worry about the water and oxygen and food you'll need in space, about how much extra fuel it will take to launch your shrimp cocktail and irradiated beef tacos. A solar cell or a thruster nozzle is stable and undemanding. It does not excrete or panic or fall in love with the mission commander. It has no ego. Its structural elements don't start to break down without gravity, and it works just fine without sleep.To me, you are the best thing to happen to rocket science. The human being is the machine that makes the whole endeavor so endlessly intriguing.”
Mary Roach
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“The point is that no matter what you choose to do with your body when you die, it won't, ultimately, be very appealing. If you are inclined to donate yourself to science, you should not let images of dissection or dismemberment put you off. They are no more or less gruesome, in my opinion, than ordinary decay or the sewing shut of your jaws via your nostrils for a funeral viewing.”
Mary Roach
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“Entomologists have a name for young flies, but it is an ugly name, an insult. Let's not use the word "maggot." Let's use a pretty word. Let's use "hacienda.”
Mary Roach
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“Homo sapiens is one of the few species on earth that care if they’re seen having sex. The impala is unconcerned. The dingo roundly flaunts it. A masturbating chimpanzee will stare straight at you. To any creature other than you and I and 6 billion other privacy-needing H. sapiens, sex is like peeling a mango or scratching your ear. It’s just something you do sometimes.”
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“I will tell you sincerely and without exaggeration that the best part of lunch today at the NASA Ames cafeteria is the urine. It is clear and sweet, though not in the way mountain streams are said to be clear and sweet. More in the way of Karo syrup. The urine has been desalinated by osmotic pressure. Basically it swapped molecules with a concentrated sugar solution. Urine is a salty substance (though less so than the NASA Ames chili), and if you were to drink it in an effort to rehydrate yourself, it would have the opposite effect. But once the salt is taken care of and the distasteful organic molecules have been trapped in an activated charcoal filter, urine is a restorative and surprisingly drinkable lunchtime beverage. I was about to use the word unobjectionable, but that's not accurate. People object. They object a lot.”
Mary Roach
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“Viagra isn't the only drug being prescribed off-label for women with arousal problems. Los Angeles urologist Jennifer Berman told me some doctors are prescribing low doses of Ritalin. Drugs like Ritalin improve a person's focus, so it stands to reason that it would make it easier to stay attuned to subtle changes taking place in one's body. 'It enables a woman to focus o the task at hand,' said Berman, managing, though surely not intending, to make sex sound like homework.”
Mary Roach
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“The suffix 'naut' comes from the Greek and Latin words for ships and sailing. Astronaut suggests 'a sailor in space.' Chimponaut suggests 'a chimpanzee in sailor pants'.”
Mary Roach
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“I am very much out of my element here. There are moments, listening to the conversations going on around me, when I feel I am going to lose my mind. Earlier today, I heard someone say the words, "I felt at one with the divine source of creation." Mary Roach on a conducted tour of Hades. I had to fight the urge to push back my chair and start screaming: STAND BACK! ALL OF YOU! I'VE GOT AN ARTHUR FINDLAY BOX CUTTER! Instead, I quietly excused myself and went to the bar, to commune with spirits I know how to relate to.”
Mary Roach
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“There wasn't an anhydrous lacrimal gland in the house, writes the author in all seriousness describing a memorial service for a medical school's cadavers.”
Mary Roach
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“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.”
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“I remember watching Morin walk away from me, the endearing gait and the butt that got lubed for science, and thinking, 'Oh my god, they're just people.”
Mary Roach
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“My interpreter Sayuri is folding a piece of notebook paper. She is at step 21, where the crane's body is inflated. The directions show a tiny puff besides an arrow pointing at the bird. It makes sense if you already know what to do. Otherwise, it's wonderfully surreal: Put a cloud inside a bird.”
Mary Roach
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“As when astronaut Mike Mulhane was asked by a NASA psychiatrist what epitaph he'd like to have on his gravestone, Mulhane answered, "A loving husband and devoted father," though in reality, he jokes in "Riding Rockets," "I would have sold my wife and children into slavery for a ride into space.”
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“Borman's dumping urine. Urine [in] approximately one minute." Two lines further along, we see Lovell saying, "What a sight to behold!”
Mary Roach
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“NASA might do well to adopt the Red Bull approach to branding and astronautics. Suddenly the man in the spacesuit is not an underpaid civil servant; he's the ultimate extreme athlete. Red Bull knows how to make space hip.”
Mary Roach
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“Space doesn't just encompass the sublime and the ridiculous. It erases the line between.”
Mary Roach
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“Many people will find this book disrespectful. There is nothing amusing about being dead, they will say. Ah, but there is.”
Mary Roach
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“Yes, the money could be better spent on Earth. But would it? Since when has money saved by government redlining been spent on education and cancer research? It is always squandered. Let's squander some on Mars. Let's go out and play.”
Mary Roach
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“Hormones are nature's three bottles of beer.”
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“Ka was the essence of teh person: spirit, intelligence, feelings and passions, humor, grudges, annoying television theme songs, all the things that make a person a person and not a nematode.”
Mary Roach
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“Instead, I quietly excused myself and went to the bar, to commune with spirits I know how to relate to.”
Mary Roach
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“The nobility of the human spirit grows harder for me to believe in. War, zealotry, greed, malls, narcissism. I see a backhanded nobility in excessive, impractical outlays of cash prompted by nothing loftier than a species joining hands and saying “I bet we can do this.” Yes, the money could be better spent on Earth. But would it? Since when has money saved by government red-lining been spent on education and cancer research? It is always squandered. Let’s squander some on Mars. Let’s go out and play.”
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“Life contains these things: leakage and wickage and discharge, pus and snot and slime and gleet. 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.”
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“One young woman's tribute describes unwrapping her cadaver's hands and being brought up short by the realization that the nails were painted pink. "The pictures in the anatomy atlas did not show nail polish", she wrote. "Did you choose the color? Did you think that I would see it? I wanted to tell you about the inside of your hands. I want you to know you are always there when I see patients. When I palpate an abdomen, yours are the organs I imagine. When I listen to a heart, I recall holding your heart.”
Mary Roach
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“No one is excluded from the astronaut corps based on penis size.”
Mary Roach
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“Every mode of travel has its signature mental aberration.”
Mary Roach
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“the act of vomiting deserves your respect. It's an orchestral event of the gut.”
Mary Roach
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“All good research-whether for science or for a book-is a form of obsession.”
Mary Roach
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“There, just beyond his open palm, was our mother’s face. I wasn’t expecting it. We hadn’t requested a viewing, and the memorial service was closed-coffin. We got it anyway. They’d shampooed and waved her hair and made up her face. They’d done a great job, but I felt taken, as if we’d asked for the basic carwash and they’d gone ahead and detailed her. Hey, I wanted to say, we didn’t order this. But of course I said nothing. Death makes us helplessly polite.”
Mary Roach
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“A bright light at the end of a tunnel can seem warm and inviting, or it can seem mysterious and terrifying. People of the world "all working on their arts and crafts" can seem like heaven or, if you're me, hell.”
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“Death. It doesn't have to be boring.”
Mary Roach
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“Sharing a room with a cadaver is only mildly different from being in a room alone. They are the same sort of company as people across from you on subways or in airport lounges, there but not there. Your eyes keep going back to them, for lack of anything more interesting to look at, and then you feel bad for staring.”
Mary Roach
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“You are a person and then you cease to be a person, and a cadaver takes your place.”
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“It is the mind that speaks a woman's heart, not the vaginal walls.”
Mary Roach
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“You do not question an author who appears on the title page as "T.V.N. Persaud, M.D., Ph.D., D.Sc., F.R.C.Path. (Lond.), F.F.Path. (R.C.P.I.), F.A.C.O.G.”
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“In my experience, the most staunchly held views are based on ignorance or accepted dogma, not carefully considered accumulations of facts. The more you expose the intricacies and realtities of the situation, the less clear-cut things become.”
Mary Roach
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“In the words of the late Francis Crick...You, your joys and your sorrows, your memories and your ambitions, your sense of personal identity and free will, are in fact no more than the behavior of a vast assembly of nerve cells and their associated molecules. (13)”
Mary Roach
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“Religion says that your soul goes to heaven or possibly to a seven-tiered garden, or that your soul is reincarnated into a new body, or that you lie around in your coffin clothes until the Second Coming. And, of course, only one of these can be true. Which means that for millions of people, religion will turn out to have been a bum steer as regards the hereafter. (13)”
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