History Photographed on Instagram: "Watch the moment the President of Botswana was presented with one of the world's largest rough diamonds, a spectacular 2,492-carat stone.⁠ ⁠ This incredible find is now the second-largest rough diamond ever recovered globally, behind the historic 3,106-carat Cullinan diamond found over a century ago"

Explaining Nature on Instagram: "Quetzalcoatlus was one of the largest flying creatures to ever exist, soaring through the skies during the Late Cretaceous Period about 70 million years ago. It wasn’t a dinosaur but a pterosaur, a type of flying reptile closely related to them. With a wingspan reaching up to 12 meters (about 39 feet), Quetzalcoatlus was roughly the size of a small airplane. It had a long, toothless beak and a lightweight body built for flight. Scientists believe it lived in what