From 1799, a list of risk factors for spontaneous combustion, plus more recent science.
Hunger makes you buy more stuff, even if it’s not food
Stories from the history of science: the discovery of the stratosphere.
Death-defying 40-foot vertical plunges: from 1905, the high-diving horsewomen of Atlantic City.
What happened to vitamins F, G, H, I, and J?
How the Colombian army sent a hidden message to hostages by hiding Morse code within a pop song.
ICYMI, Thursday’s links are here, and include the anniversary of Iwo Jima, a two-story outhouse, the physics of sunsets, and the introduction of chocolate to Europe from the Americas.