Are Birds Dinosaurs? What were the world's biggest and smallest dinosaurs? and Is It Possible to Clone a Dinosaur? All these prehistoric related questions (and a whole lot more) are answered by our intrepid science reporters, Jeanna and Mindy. Below you can find links to further reading on the topics discussed in this episode.

Mystery #1: Are Birds Dinosaurs?

• Ancestors of modern birds were theropod dinosaurs
• The earliest birds are reported to share much in common with their theropod relatives, including feathers and egg-laying

Interview with Dr. Holly Woodward on her article: 6-Foot-Tall T. Rex Skeletons Not a New Pygmy Species, Just Teenagers.

Mystery #2: What were the world's biggest and smallest dinosaurs?

• Weight estimates of The Argentinosaurus - a type of titanosaur - range from 77 tons (70 metric tons) up to 110 tons (100 metric tons)
• The Micropachycephalosaurus, a thick-headed plant-eater, measured 2 feet (70 cm) in length

Guest editor report with Live Science’s associate editor, Laura Geggel: Reaper of death,' newfound cousin of T. rex, discovered in Canada

Mystery #3: Is It Possible to Clone a Dinosaur?

• Another long-gone animal that some scientists have thought about “bringing back” through cloning is the woolly mammoth
• Conservationists argue that resources should be spent on currently threatened or endangered animals

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The Great Courses Music by Chad Crouch - Algorithms Licensed under Creative Commons: By Attribution 3.0 License