The ocean is a strange and scary place. And few ocean animals are scarier than sharks! Laci introduces us to the strangest and scariest sharks from the past and present.
“Shark Relative Had Buzz Saw Mouth”
“The world’s only animal, past or present, with a complete 360-degree spiral of teeth was Helicoprion, which sliced into prey like a buzz saw.”
“Toothy Spiral Jaw Gave Ancient Sea Predator an Edge”
“An ancient sea predator had a spiraling whorl of teeth that acted as a lethal slicing tool, according to new scans of a mysterious fossil.”
Photo credit: Dmitry Bogdanov
DNews is a show about the science of everyday life. We post two new videos every day of the week.
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