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

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

Regenerating body parts might sound like science fiction, but certain animals do it with precision and consistency.

Most textbooks credit nearby epithelial cells with the heavy lifting of organ building, because epithelial sheets act like ...

It was previously thought that combining chloroplasts (chlorophyll containing structures in the cells of plants and algae) with animal cells was not possible, ...