On January 15, 1919, a molasses storage tank in Boston’s North End burst, releasing 2.3 million gallons of sticky liquid. The wave, 15 feet high and moving at 35 mph, tore through the streets, destroying buildings, uprooting the El train tracks, and trapping people in its path.

In 1908, the Louisiana State Fair introduced an unusual contest: infants were judged based on a detailed scorecard assessing physical traits, health, and even subjective qualities like temperament. Organized by child advocate Mary DeGarmo, the contest aimed to identify the “scientific” ideal baby. Winners received silver trophies, and the event gained national attention, promoting better hygiene and child health practices.

In the Korean Demilitarized Zone (DMZ), two villages—Kijong-dong in North Korea and Daesong-dong in South Korea—face each other, standing as stark representations of their respective nations. They are the only inhabited places within the heavily fortified DMZ, but their purposes and realities couldn’t be more different.

Ski ballet, a discipline combining gymnastics, figure skating, and skiing, first appeared in the 1970s as part of freestyle skiing competitions. Athletes performed choreographed routines on a flat slope, set to music, using their skis for spins, flips, and dynamic movements.

Topsy, an Asian elephant, was brought to the U.S. in the 1870s as part of the Forepaugh Circus. Initially a star attraction, she became infamous after incidents involving her handlers. Reports suggested she had killed a man who fed her a lit cigarette, though the accuracy of these claims remains disputed.

Sweden’s naming law requires parents to submit their child’s name for government approval within three months of birth. Introduced in 1901 and evolving over time, the law aims to prevent discomfort or unsuitability in names. The most recent version, enacted in 2017, includes the ability to charge fees for name changes and replaces the concept of “middle name” with “double family name.”

In the 1980s, Australian physician Barry Marshall and pathologist Robin Warren challenged the prevailing belief that stress and spicy foods caused stomach ulcers. They proposed that the bacterium Helicobacter pylori (H. pylori) was the true culprit.

Nim Chimpsky, a chimpanzee born in 1973, was part of an experiment led by Herbert Terrace at Columbia University to test if chimps could learn human language. Named as a pun on linguist Noam Chomsky, Nim was taken from his mother days after birth and raised in a human environment.

The goblin shark (Mitsukurina owstoni) is a unique deep-sea predator and the sole surviving member of a lineage dating back 125 million years. Its long, flat snout and extendable jaws give it an otherworldly appearance, earning it the nickname “living fossil.”

In 1991, researchers at the University of Cambridge’s Computer Laboratory faced a simple yet persistent problem: finding out whether the communal coffee pot in the Trojan Room was full without wasting a trip. A practical solution was born when engineers Quentin Stafford-Fraser and Paul Jardetzky connected a camera to their local network.