Anastenaria is a firewalking ceremony in Greece, in the communes of Agia Eleni near Serres and of Langada near Thessalonike. Men and women, some holding red kerchiefs and some carrying icons of St. Constantine and St. Helen—in whose honor the ceremonies are held—dance barefooted on red-hot coals while folk musicians play. The custom is supposed to have originated in an ancient form of worship that was brought by travelers from Kosti in Eastern Thrace and adapted to Christian beliefs. Discuss
Source: The Free Dictionary
The daughter of a British cabinetmaker who supplemented his income by selling “curiosities” he recovered from cliffside fossil beds near his home, Mary Anning grew up collecting fossils. When she was just 12 years old, she and her brother discovered the first ichthyosaur skeleton to be correctly identified. As an adult, she continued the dangerous work of scouring the Lyme Regis cliffs for fossils and made a number of significant geological finds. What tongue twister might Anning have inspired? 
Hopkins was an American inventor who was granted the first US patent in 1790—just months after President George Washington signed the new patent statute into law—for an improved process for making potash and pearl ash, substances used in the manufacture of glass, soap, and fertilizer. There was no Patent Office at the time, so his petition was approved by a committee that included the US president, secretary of state, and attorney general. What other US patents were issued that year? 
If you are wearing blue jeans, chances are a version of tailor Jacob Davis’s invention is hugging your hips right now. Davis did not invent jeans—that was the more famous Levi Strauss—but he did invent one crucial component: the copper rivets that reinforce the corners of the pockets, now ubiquitous on denim pants. Because Davis did not have the money to file the necessary patent paperwork, he wrote to Strauss—then Davis’s fabric supplier—suggesting they apply together. How did Strauss respond? 
Shavuot (“weeks”) is the second of the 
After apprenticing as a printer in Germany, Berliner immigrated to the US and became interested in the new audio technologies of his day. He patented a series of improvements to Alexander Graham Bell’s recently invented telephone before turning his attention to the phonograph. In 1888, he introduced the first flat disc recording, a marked improvement over Thomas Edison’s recording cylinders for the phonograph and a precursor of the modern record. What were some of Berliner’s other inventions? 
Now used to refer to a convenient principle with a broad application not intended to be strictly accurate in every situation, the term “rule of thumb” first appeared in print in Sir William Hope’s The Compleat Fencing-Master in 1692. The phrase is thought to have originated with woodworkers who used the length of their thumbs, rather than rulers, for measurements. However, it is often erroneously claimed that the term originally referred to a law that limited the thickness of what?