Scientific American 2019-04

Illustration by Campbell Medical Illustration April 2019, ScientificAmerican.com 59 Heart cross section Dead tissue (after heart ...

60 Scientific American, April 2019 CHRISTINA A. DYKEMAN AND YIN LABORATORY MDI Biological Laboratory and there is probably an an ...

April 2019, ScientificAmerican.com 61 chenne muscular dystrophy. This is a slow, degenerative muscle- wasting ailment, quite dis ...

62 Scientific American, April 2019 Photograph by David Liittschwager ANIMAL PHYSIOLOGY Investigations into how the electric eel ...

April 2019, ScientificAmerican.com 63 & SHOCK AW E ...

64 Scientific American, April 2019 I t’s no secret that electric eels stun their prey—accounts of such occurrences date back cen ...

April 2019, ScientificAmerican.com 65 KENNETH C. CATANIA time that passed before the fish were seen to stop moving in the slow-m ...

66 Scientific American, April 2019 (^1234) The closer the positive and the negative, the stronger the field Volt ...

April 2019, ScientificAmerican.com 67 work showed that the eels were, in fact, attacking in response to doublet-generated fish m ...

68 Scientific American, April 2019 fish that use electricity to probe their surroundings, and they have retained the weak, low-v ...

April 2019, ScientificAmerican.com 69 SOURCE: “POWER TRANSFER TO A HUMAN DURING AN ELECTRIC EEL’S SHOCKING LEAP,” BY KENNETH C. ...

70 Scientific American, April 2019 W orking behind the scenes, calculus is an unsung hero of modern life. By harnessing the fore ...

Illustration by Amy Martin April 2019, ScientificAmerican.com 71 © 2019 Scientific American © 2019 Scientific American ...

72 Scientific American, April 2019 tomatic stage of up to 10 years, and a terminal stage of AIDS. In the first stage, soon after ...

April 2019, ScientificAmerican.com 73 er cells, and so on. This potential for a raging fire is what makes HIV so devastating. In ...

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76 Scientific American, April 2019 RECOMMENDED By Andrea Gawrylewski REPRINTED WITH PERMISSION FROM OUR PLANET, BY ALASTAIR FOTH ...

April 2019, ScientificAmerican.com 77 THE INTERSECTION WHERE SCIENCE AND SOCIETY MEET Illustration by Thomas Pitilli YouTube Has ...

78 Scientific American, April 2019 Illustration by Matt Collins ANTI GRAVITY THE ONGOING SEARCH FOR FUNDAMENTAL FARCES Steve Mir ...