“It was a dumb place to look for bones . . .” Mike Voorhies, interview by author, Ashfall Fossil Beds State Park, Nebraska, June 13, 2001.
“At first they thought the animals were buried alive . . .” National Geographic, “Ancient Ashfall Creates Pompeii of Prehistoric Animals,” January 1981, p. 66.
“far better than we understand the interior of the earth.” Feynman, p. 60.
“The distance from the surface of Earth . . .” Williams and Montaigne, Surviving Galeras, p. 78.
“A modest fellow, he never referred to the scale . . .” Ozima, The Earth, p. 49.
“It rises exponentially . . .” Officer and Page, Tales of the Earth, p. 33.
“sixty thousand people were dead . . .” Officer and Page, p. 52.
“the city waiting to die . . .” McGuire, A Guide to the End of the World, p. 21.
“the potential economic cost . . .” McGuire, p. 130.
“collapsed scaffolding erected around the Capitol Building . . .” Trefil, 101 Things You Don’t Know About Science and No One Else Does Either, p. 158.
“became known, all but inevitably, as the Mohole . . .” Vogel, p. 37.
“using a strand of spaghetti . . .” Valley News, “Drilling the Ocean Floor for Earth’s Deep Secrets,” August 21, 1995.
“about 0.3 percent of the planet’s volume . . .” Schopf, Cradle of Life, p. 73.
“We also know a little bit about the mantle . . .” McPhee, In Suspect Terrain, pp. 16-18.
“Scientists are generally agreed . . .” Scientific American, “Sculpting the Earth from Inside Out,” March 2001, pp. 40-47; and New Scientist, “Journey to the Centre of the Earth” supplement, October 14, 2000, p. 1.
“By all the laws of geophysics . . .” Earth, “Mystery in the High Sierra,” June 1996, p. 16.
“The rocks are viscous . . .” Vogel, p. 31.
“The movements occur not just laterally . . .” Science, “Much About Motion in the Mantle,” February 1, 2002, p. 982.
“an English vicar named Osmond Fisher presciently suggested . . .” Tudge, The Time Before History, p. 43.
“then had suddenly found out about wind.” Vogel, p. 53.
“there are two sets of data . . .” Trefil, 101 Things You Don’t Know About Science and No One Else Does Either, p. 146.
“82 percent of the Earth’s volume . . .” Nature, “The Earth’s Mantle,” August 2, 2001, pp. 501-6.
“something over three million times . . .” Drury, p. 50.
“during the age of the dinosaurs . . .” New Scientist, “Dynamo Support,” March 10, 2001, p. 27.
“37 million years appears to be the longest stretch . . .” New Scientist, “Dynamo Support,” March 10, 2001, p. 27.
“the greatest unanswered question . . .” Trefil, 101 Things You Don’t Know About Science and No One Else Does Either, p. 150.
“Geologists and geophysicists rarely go . . .” Vogel, p. 139.
“The seismologists resolutely based their conclusions . . .” Fisher et al., Volcanoes, p. 24.
“It was the biggest landslide in human history . . .” Thompson, Volcano Cowboys, p. 118.
“the force of five hundred Hiroshima-sized atomic bombs,” Williams and Montaigne, p. 7.
“Fifty-seven people were killed.” Fisher et al., p. 12.
“only shake my head in wonder . . .” Williams and Montaigne, p. 151.
“An airliner . . . reported being pelted with rocks.” Thompson, p. 123.
“Yet Yakima had no volcano emergency procedures.” Fisher et al., p. 16.
