Ammonoids, ancestors of today's octopus, squid and cuttlefish, bobbed and jetted their way through the oceans for around 340 million years beginning long before the age of the dinosaurs. If you look ...

Instead, their father, Arthur Martin, took them out in newfangled fiberglass kayaks he designed and built himself. It was the early 1950s, when the only kayaks most people had seen were those paddled ...

Researchers previously focused on the roles of these complex structures in resisting pressure on the shell, but new researchers provide evidence for a different hypothesis. Complex sutures, they found ...