ScienceInterestingThe reason why old books have such a distinct smell is because hundreds of organic compounds in the pages break down over time and release chemicals that smell like almond, vanilla, and grass.356k
PlacesDarkApproximately 68 million trees are used each year in the U.S. to produce paper and paper products.271k
HistoryMind-BlowingIn 1976, Princeton junior John Aristotle Phillips wrote a physics term paper detailing how to build a nuclear bomb using only publicly available information. He received an A, but the paper was immediately classified by the government and he was visited by FBI agents and Pakistani officials seeking the design.162k