While dinosaurs roamed the earth, giant monsters roamed the sea. Mosasaurs were like the deadly T-rexes of the ocean: They grew up to the size of a bus and chased down their smaller prey. A recent study in the journal <a href="https://www.cell.com/current-biology/abstract/S0960-9822(26)01214-5?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0960982226012145%3Fshowall%3Dtrue"target="_blank" >Current Biology</a> details just how exactly they might have done that. And the answer is fast – way faster than humans can swim – and sneakily. Interested in more animal or paleontological news? Email us what you want us to talk about at <a href="mailto:shortwave@npr.org"target="_blank" >shortwave@npr.org</a> Support public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at <a href="http://plus.npr.org"target="_blank" >plus.npr.org</a>.  See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong and Regina Barber for science on a different wavelength. Support public media by joining NPR+ at plus.npr.org. You’ll get perks for over 25 NPR podcasts, including sponsor-free listening for Short Wave.