图片来源
1.Computer artwork © KTSDESIGN/Science Photo Library.
2.The Triumph of Death，c.1562，Bruegel，Pieter the Elder © The Art Archive/Alamy Stock Photo.
3.© NIAID/CDC/Science Photo Library.
4.Moscow，1968 © Sovfoto/UIG via Getty Images.
5.14世纪法国手稿中的“死亡与死去”：Pilgrimage of the Human Life，Bodleian Library，Oxford © Art Media/Print Collector/Getty Images.
6.© CHICUREL Arnaud/Getty Images.
7.© American Spirit/Shutterstock.com.
8.© Imagebank/Chris Brunskill/Getty Images/Bridgeman Images.
9.© H.Armstrong Roberts/ClassicStock/Getty Images.
10.© De Agostini Picture Library/G.Nimatallah/Bridgeman Images.11.图示：全球大型动物数量饼图。
12.Detail from Michelangelo Buonarroti（1475-1564），the Sistine Chapel，Vatican City © LessingImages.
13.© Balint Pomeczi/Bloomberg via Getty Images.
14.左图：© Bergserg/Shutterstock.com.右图：© s_bukley/Shutterstock.com.
15.© Karl Mondon/ZUMA Press/Corbis.
16.Adapted from Weiss，J.M.，Cierpial，M.A.＆ West，C.H.，‘Selective breeding of rats for high and low motor activity in a swim test:toward a new animal model of depression’，Pharmacology，Biochemistry and Behavior 61：49-66（1998）.
17.同上。
18.© 2004 TopFoto.
19.© NOVOSTI/AFP/Getty Images.
20.Rudy Burckhardt，photographer.Jackson Pollock and Lee Krasner papers，c.1905-1984.Archives of American Art，Smithsonian Institution.© The Pollock-Krasner Foundation ARS，NY and DACS，London，2016.
21.左图：© Richard Nowitz/Getty Images.右图：© Archive Photos/Stringer/Getty Images.Image credits 429
22.Courtesy of the Sousa Mendes Foundation.
23.Courtesy of the Sousa Mendes Foundation.
24.© Antiqua Print Gallery/Alamy Stock Photo.
25.Woodcut from‘Passional Christi und Antichristi’by Philipp Melanchthon，published in 1521，Cranach，Lucas（1472-1553）（studio of）© Private Collection/Bridgeman Images.
26.数据来源：Emission Database for Global Atmospheric Research（EDGAR），European Commission.
27.© Bibliotheque nationale de France，RC-A-02764，Grandes Chroniques de France de Charles V，folio 12v.
28.手稿：Registrum Gregorii，c.983 © Archiv Gerstenberg/ullstein bild via Getty Images.
29.© Sadik Gulec/Shutterstock.com.
30.© CAMERIQUE/ClassicStock/Corbis.
31.© Jeff J Mitchell/Getty Images.
32.© Molly Landreth/Getty Images.
33.The Thinker，1880-81（bronze），Rodin，Auguste，Burrell Collection，Glasgow © Culture and Sport Glasgow（Museums）/Bridgeman Images.
34.© DeAgostini Picture Library/Scala，Florence.
35.© Bpk/Bayerische Staatsgemaldesammlungen.
36.Staatliche Kunstsammlungen，Neue Meister，Dresden，Germany © Lessing Images.
37.Tom Lea，That 2,000 Yard Stare，1944.Oil on canvas，36“x28”.LIFE Collection of Art WWII，U.S.Army Center of Military History，Ft.Belvoir，Virginia.©Courtesy of the Tom Lea Institute，El Paso，Texas.
38.© Bettmann/Corbis.
39.© VLADGRIN/Shutterstock.com.
40.Virgin and Child，Sassoferrato，Il（Giovanni Battista Salvi）（1609-85），Musee Bonnat，Bayonne，France © Bridgeman Images.
41.© Bettmann/Corbis.
42.© Jeremy Sutton-Hibbert/Getty Images.
43.左图：© Fototeca Gilardi/Getty Images.右图：© alxpin/Getty Images
44.© Sony Pictures Television.
45.© STAN HONDA/AFP/Getty Images.
46.‘EM spectrum’.Licensed under CC BY-SA 3.0 via Commons，https://commons.wikimedia.org/wiki/File:EM_spectrum.svg#/media/File:EM_spectrum.svg.
47.© Cornell Bioacoustics Research Program at the Lab of Ornithology.
48.图示：意识的频谱。
49.© ITAR-TASS Photo Agency/Alamy Stock Photo.
50.© Jonathan Kirn/Getty Images.