SCIENCE Seventy million years ago, they all came to drink in the rapidly drying river: long-necked sauropods, fierce theropods, crocodiles, lizards, and raven-sized birds. They never left. (Science) How are animal remains fossilized? Teachers, scroll down for a quick list of key resources in our Teachers Toolkit.   Discussion Ideas An intriguing new theory suggests that a series of harmful algal blooms (HABs) may have … Continue reading Did Tiny Algae Doom Mighty Dinosaurs?