Scientists start the clock on human impact
Though it’s clear we’re currently living in it, scientists have long debated when the Anthropocene, the epoch of human dominance over the planet, first began. The Anthropocene Working Group (AWG), a panel of scientists, recently voted to official recognize the epoch and suggested starting it in the middle of the 20th century
Earth recycles ocean floor into diamonds
Most diamonds are made of cooked seabed. The diamond on your finger is most likely made of recycled seabed cooked deep in the Earth. Traces of salt trapped in many diamonds show the stones are formed from ancient seabeds that became buried deep beneath the Earth’s crust, according to new research.