7+ hour, 23+ min ago  (1309+ words) The continent won't split anytime soon. But someday, eastern Africa may become its own landmass The Turkana Rift Zone (shown) in Kenya and Ethiopia has reached a key point in the process of continental breakup. Sometimes, pieces of Earth's outer…...

3+ mon, 3+ week ago  (1234+ words) Climate-ruined crops prompted Italy to import grain via ships infested with plague-infected rats This engraving depicts the effects in early 1348 of the Black Death plague on the Italian city-state of Florence. Ships bringing in grain from Asia likely carried rodents…...