Earth’s Atmosphere Had Terrifying Mercury Pollution Even Before The Killer Asteroid0

• Ancient Archeology, Earth Mysteries, From Around the Web
• December 20, 2019

Source: Science Alert Even before the Chicxulub asteroid hit Earth 66 million years ago, dinosaurs and other life forms were dealing with toxic mercury levels, a new study suggests. The fresh evidence serves up even more contention in a “long-running and bitter” debate over how the dinosaurs died all those years ago. While some scientists