Experiments on animals (“in vivo” experiments) have long been the norm for learning about human health and disease, because testing on live animals enables researchers to investigate how chemicals, ...

When biologists study cooperation in animals, they usually offer just a single task at a time. But what happens when animals ...

In early phases of drug development, new active substances are tested in animals—alongside numerous other experimental methods. Researchers face a dilemma: on the one hand, for ethical reasons, they ...

I’m my most recent column, I tackle animal research: Cells growing in a dish or experiments run on a computer only get one so far. Some of the trickiest outstanding questions in biology—the questions ...