For billions of years, single-celled creatures had the planet to themselves, floating through the oceans in solitary bliss. Some microorganisms attempted multicellular arrangements, forming small ...

Almost eight years ago, Stanford University bioengineer Manu Prakash was looking for a way to watch every cell in an adult living, behaving animal in elaborate detail. He searched the catalog of life ...

Theories about how animals became multicellular are shifting as researchers find greater complexity in our single-celled ancestors. From one came many. Some 700 million years ago, a single cell gave ...

Unlike the alternative meat products that are already out there - vegetarian products that imitate meat - cultivated meat is meat. Here’s how it works. First, scientists take a tiny sample from an ...

Energy-making chloroplasts from algae have been inserted into hamster cells, enabling the cells to photosynthesize light, according to new research in Japan. It was previously thought that combining ...

The use of animals in research came about as scientists tried to understand the disease process and find ways of treating or curing diseases. While this gave rise to the medications we have today, ...