Lensless glasses are a real trend — These purely fashion glasses have no lenses at all and are worn as style accessories in some parts of Asia and by fashion brands, with benefits like no fogging or reflection.
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
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.
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.