Medieval People Drank More Beer Than Water
Due to unsafe drinking water, beer was the preferred daily beverage—even for children. It contained low alcohol levels but was safer than contaminated water.
As well as a carbon footprint, every item also has a water footprint. Knowing how much water it takes to make products is an effective way of being able to reduce your water footprint. Common items include paper (5.1 L), water bottles 1.3 - 5 L) cotton t
Mount Everest is growing every year. The high erosion of the combined rivers supercharged Everest's growth, adding around two millimeters of additional height each year.
You've probably heard that feminists burned their bras in the 1970s, but that's not true. This myth arose when feminists protested at the Miss America Pageant in Atlantic City in 1968, and they symbolically threw objects that they felt were confining i
The Mongols Created the First International Postal System
Genghis Khan established the Yam (postal system), which allowed for fast, reliable communication across the vast Mongol Empire. Riders could travel 200 miles per day using relay stations.
There are more trees on Earth than stars in the Milky Way galaxy. While the Milky Way contains hundreds of billions of stars, the number of trees is estimated to be in the trillions
