Between 1959 and 1962 in China, Mao Zedong’s Great Leap Forward increased industrial growth at the expense of agricultural output. More than 45 million people perished from famine and disease, as well as from floods, droughts, and locusts.

Scurvy, or lack of vitamin C, killed the Danish-born explorer Vitus Bering in 1741. His men survived by clubbing seals—after smashing the cranium, brains spilling out and teeth in shards, “the beast still attacks the men with his flippers,” one sailor recalled.

Thirty to sixty million—the estimate of buffalo in the United States in the early 1800s. 1,200—the estimate some ninety years later.

As a young man studying in Amsterdam, Vincent van Gogh on August 18, 1877, wrote to his brother Theo, “I breakfasted on a piece of dry bread and a glass of beer—that is what Dickens advises for those who are on the point of committing suicide, as being a good way to keep them, at least for some time, from their purpose.”