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Telescopes, spectroscopes, microscopes, stethoscopes, radar, thermometers, scales, barometers - not to mention the humble ruler are all used to compare stuff in our universe by which we can measure the smallest atom or the largest galaxy.
In this episode, Bill Nye tracks down dinosaur footprints with paleontologist Grace Irby and travels to the La Brea Tar Pits to ...
In this episode, Bill Nye takes to the sky in a hot air balloon and goes scuba diving in the Seattle Aquarium to explain why ...