Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives important feedback about temperature, pressure—and yes, pain—as we bite and chew ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The sensitive ...

How did digits evolve? While it is clear that they derive from genetic programs already present in fish, their precise origin ...

In an exciting first, an Australian team of scientists identified a new species of freshwater fish that swam in nearby waters over 15 million years ago, offering fresh insights into Australia’s ...

Ratfish developed "forehead teeth" called tenaculum for reproduction, offering rare insight into the flexibility of ...

Our Standards: The Thomson Reuters Trust Principles., opens new tab Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of ...

Researchers at EPFL have created the first 4D lipid atlas of vertebrate development, revealing how fats shape our bodies from embryo to organism.

CT scan of the front of a skate, showing the hard, tooth-like denticles on its skin (shown in orange). Credit: Yara Haridy CT scan of the front of a skate, showing the hard, tooth-like denticles on ...

(CNN) — The sensitive interior of human teeth might have originated from a seemingly unlikely place: sensory tissue in fish that were swimming in Earth’s oceans 465 million years ago. While our teeth ...