The lower jaws of lizards, birds, fish and even dinosaurs are comprised of multiple bones per side. Yet mammals diverged from all other vertebrates and settled on just one bone, repurposing the extra ...

Did you know there are more than 500 species of sharks out there in the world? These fascinating underwater creatures have been swimming in our seas for about 455 million years, and they can travel ...

Vertebrates have extremely different brain sizes: even with the same body size, brain size can vary a hundredfold. As a rule, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Mammals are defined by how and what we eat every single day of our ...

This story was updated at 11:00 AM June 1 The basic decision-making circuitry underlying social behaviors such as fighting and mating is incredibly similar in all vertebrates, from fish to mammals, ...

Summary: A global study of vertebrates reveals that body temperature is the key driver behind brain size evolution. Warm-blooded species like mammals and birds can maintain the energy demands of ...

Eight of every ten species extinctions has occurred on islands, and invasive mammals are the leading reason for those losses. Currently, 40 percent of species at risk of global extinction are island ...

In her Distinguished Research Lecture, CU Boulder Professor Christy McCain will highlight how certain traits in some mammal and insect populations indicate who is at greatest risk from climate change ...

From the 20-foot-long jawbones of the filter-feeding blue whale to the short, but bone-crushing, jaws of the hyena and the delicate chin bones of a human, the pair of lower jawbones characteristic of ...