Becky Barnes, a paleontologist and lab manager with the North Dakota Geological Survey, holds a sample of coprolite, or fossilized crocodile poop, as she talks during a live video conference with students and families about the state’s geology from her office at the North Dakota Heritage Center and State Museum on Thursday. Clint Boyd, senior paleontologist, far left, said beginning at 10 a.m., Monday through Friday the 45-minute broadcast gives parents a way to entertain and educate their children as schools across the state remain closed due to the outbreak of the coronavirus. As Barnes presents topics related to prehistoric fossils and geology, Boyd answers questions by the audience through a chat window.