Learn about gravitational waves and how they can be detected in this video from NOVA: Black Hole Apocalypse. Use this resource to visualize abstract concepts related to waves and wave interactions and to provide opportunities for students to develop and use models and to communicate explanations wit
Do Dogs Understand Fairness?
In this video excerpt from NOVA scienceNOW, learn how scientists are studying basic moral behavior in animals. Correspondent David Pogue, New York Times technology columnist, visits Friederike Range's Clever Dog Lab to find out whether dogs have a sense of fairness. If two dogs are asked to do a trick and only one of them gets rewarded, the unrewarded dog soon stops cooperating. This experiment, along with investigations of other animal species, can provide insight into the evolution of human morality. This video is available in both English and Spanish audio, along with corresponding closed captions. CREDITS: https://www.pbslearningmedia.org/credits/nvsn6.sci.bio.dogs/ LICENSE: https://www.pbslearningmedia.org/help/full-license-for-section-3c-of-terms-of-use-download-and-share/
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Learn how gravity can be described as the curving of spacetime, according to Einstein’s general theory of relativity, in this video from NOVA: Black Hole Apocalypse. Computer animations illustrate the concept of warped spacetime and how objects “fall” along a curved path. Use this resource to visual
In this video segment adapted from NOVA scienceNOW, learn how scientists are hoping to better understand the biology of dinosaurs by studying the insides of fossil bones. Hear about the accidental discovery of dinosaur soft tissue by paleontologist Dr. Mary Schweitzer, and how this tissue enables sc