Dinosaurs were fascinating creatures. We can learn a lot about their biology from dinosaur fossils, but figuring how they behaved is the real challenge. Join Hank Green for a new episode of SciShow where he'll unpack 7 Dinosaur mysteries that we're still wondering about!

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Sources:
https://journals.plos.org/plosbiology...

Spinosaurus
https://www.thoughtco.com/why-did-spi...
https://www.cambridge.org/core/journa...

Stegosaurus
https://zslpublications.onlinelibrary...
https://blogs.scientificamerican.com/...
https://blogs.scientificamerican.com/...

Therizinosaurs
http://rspb.royalsocietypublishing.or...
http://www.ucmp.berkeley.edu/diapsids...
http://www.prehistoric-wildlife.com/s...
http://www4.ncsu.edu/~lezanno/Researc...
https://www.scientificamerican.com/ar...
https://blogs.scientificamerican.com/...
http://rspb.royalsocietypublishing.or...
https://www.ncbi.nlm.nih.gov/pmc/arti...

Velociraptor
http://science.sciencemag.org/content...
http://science.sciencemag.org/content...
http://science.sciencemag.org/content...
http://blogs.discovermagazine.com/not...
https://www.newscientist.com/article/...
https://www.smithsonianmag.com/scienc...
https://journals.plos.org/plosbiology...

Dino junk
https://www.scientificamerican.com/ar...
http://www.slate.com/articles/news_an...
https://www.smithsonianmag.com/scienc...
https://www.nationalgeographic.com/sc...
https://www.nationalgeographic.com/sc...

Images:
http://spinops.blogspot.com/
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...