0.5% of the male population are descended from Genghis Khan. (Scientists did a study in 2003 showing that about 16 million dudes share a Y chromosome with the famous Emperor.) nudes
Hetherington, an English haberdasher, supposedly caused a riot when he first wore a top hat in public. It's reported that several woman fainted when they first saw the top hat in 1797.
Ancient Roman concrete arches contained volcanic ash, which helped them self-heal when cracks formed by reacting with water. This made them incredibly durable, lasting for millennia.
Constantinople, the capital of the Byzantine Empire, fell to the Ottoman Empire on May 29, 1453. This event marked the end of the Byzantine Empire and is considered one of the key events that signified the end of the Middle Ages.
An "android" (andro - man; eide - looks like) is a robot built to look like a human, while a "cyborg" (cybernetic organism) is a living thing with mechanical parts
Surfactants in car wash soap reduce water’s surface tension, which lets the soapy water spread evenly over your car’s surface—lifting and suspending dirt, creating foam that clings and cleans.
