Shark teeth are also disposable – they are constantly replaced throughout their lives, like a conveyor belt pushing a new ...

Researchers have discovered a biological switch that explains why movement keeps bones strong. The protein senses physical ...

Many historians assume that these ancient “bone skates” were utilitarian devices, used for fast transit along frozen rivers ...

In a study published in Cell Research, researchers have identified a fibrous-layer resident subpopulation of P-SSCs labeled ...

Explore the vital role of bone marrow stem cells. Learn how they drive bone remodeling, immunity, and skeletal health in this complete guide.

A remarkable prehistoric hammer made from elephant bone, dating back nearly half a million years ago, has been uncovered in ...

Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or ...

Most mammals can develop bones in their hearts. For humans, it's usually a bad thing, but for river otters, it could be a ...

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the ...

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The "very rare" find provides an extraordinary glimpse into the ingenuity of early human relatives who lived around half a ...

Some animals can regrow entire limbs after injury, rebuilding bone, muscle, nerves, and skin as if the damage never happened. This ability is powered by specialized cells and biological signals that ...