The Sahara Desert is expanding at a rate of roughly 10000 km^2 per year due to a combination of natural and human induced factors. Deforestation, climate change, and agricultural practices contribute to the desertification of these areas.
New English Canaan, written by Thomas Morton, was the first book to be banned in the US. It was banned in 1637 for its harsh criticisms of the restrictive Puritan customs of the New English colony at the time.
The first photo of a person was an accident. In 1838, Louis Daguerre took a photo of a Paris street that appeared empty due to the long exposure time—except for a man getting his boots shined, who stood still long enough to appear in the image.
The Dancing Plague of 1518: In 1518, people in Strasbourg, France, started dancing uncontrollably. One woman began, and soon many others joined, dancing for days. Some historians think they had mass hysteria or food poisoning from moldy rye.
If you were to lay out all the blood vessels in the human body end to end, they would stretch over 60,000 miles. That's enough to circle the Earth more than twice!