Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of ...

A summary of preclinical evaluation methods for neuroendovascular devices, including in vitro techniques, 3D-printed vascular models, in silico simulations, and in vivo models.

“So, we can’t trust that animal-organ supplements will have any health benefits,” he says. “Even more concerning, none of these products [are required] to be tested in humans for safety ...

Human-mouse chimeras have been created in recent American research, producing mouse intestines, livers, and even brains with human cells.

A Madison-based startup is working on a new approach to drug development that could reduce or replace the need for animal ...

Delve into the secrets behind a dog's nose and how it just may be able to uncover impending death before we do.

Scientists have advanced human-animal chimera research by successfully growing human cells within the organs of mice. This ...

Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly ...

Explore 10 fascinating octopus facts. From their multiple hearts to their impressive intelligence, learn what makes these ...

Human–animal chimaeras are an exciting yet challenging area of research. Human cells are coaxed to grow in animal embryos, allowing researchers to study human tissue development. But the long-term ...

If you've handled cat litter or eaten raw meat or unwashed produce, there’s a chance you might have a permanent toxoplasmosis ...

Organs-on-a-chip are miniature devices that use human cells to mimic organs. Harvard bioengineer Donald Ingber and colleagues ...