Earth is no stranger to extinctions. As scientists have discerned from fossil records, species on Earth have already passed through five mass extinction events in the planet’s lifetime, including the last mass extinction roughly 65 million years ago that wiped out the dinosaurs. Now, scientists believe we might be in the midst of another. Humans’ impact on biodiversity—via … [Read more...] about If Humans Die Out, Octopuses Already Have the Chops to Build the Next Civilization, Scientist Claims