Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of ...
Hosted on MSN
Sharks’ Teeth May Erode Under Acidifying Seas
Shark teeth — evolution’s finely tuned cutting tools — show early signs of weakening as seawater pH levels shift. A German-led experiment found that teeth from blacktip reef sharks immersed in water ...
Fossils of tiny, jawless marine animals reveal tooth structures sharper than sharks or steel, forcing scientists to rethink ...
Deep below sunlight, a rarely seen frilled shark reveals ancient anatomy, slow reproduction, and mysterious habits, offering ...
The deep sea also harbours some of the most intriguing and alien-like species in existence, yet for several centuries, these ...
A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark no larger ...
Fossils reveal that giant predatory sharks existed 15 million years before megalodon and were already top predators in Cretaceous seas.
One of a blacktip reef sharks’ top teeth as seen under a scanning electron microscope. CREDIT: Maximilian Baum (HHU) / Steffen Köhler (HHU). Get the Popular Science daily newsletter💡 Breakthroughs, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback