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SciShow
The Mystery of the Cleveland-Lloyd Dinosaur Death Trap
Paleontologists think they've solved part of the mystery of the Cleveland-Lloyd Dinosaur Quarry, a dense bed of Jurassic dinosaur fossils. Also, electron microscope images reveal new, mucus-drenched info about the tubelip wrasse.
Professor Dave Explains
Oxymercuration-Demercuration
An introduction to oxymercuration-demercuration.
Smithsonian Institution
National Museum of Natural History: Qrius: Volcano Geochemistry Windows to Earth's Interior
Geologist Dr. Elizabeth Cottrell, describes why she considers volcanoes "lungs of the earth" in this webcast. [29:15]