Mary Roach Quote

Hydrogen sulfide is as lethal, molecule for molecule, as cyanide. This may explain why humans evolved such exquisite sensitivity to its smell.

Mary Roach

Hydrogen sulfide is as lethal, molecule for molecule, as cyanide. This may explain why humans evolved such exquisite sensitivity to its smell.

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About Mary Roach

Mary Roach (born March 20, 1959) is an American author specializing in popular science and humor. She has published seven New York Times bestsellers: Stiff: The Curious Lives of Human Cadavers (2003), Spook: Science Tackles the Afterlife (2005), Bonk: The Curious Coupling of Science and Sex (2008), Packing for Mars: The Curious Science of Life in the Void (2010), Gulp: Adventures on the Alimentary Canal (2013), Grunt: The Curious Science of Humans at War (2016), and Fuzz: When Nature Breaks the Law (2021).