For many years, scientists have used animals to study diseases like cancer and diabetes. But it's been harder to find good animal models for the psychiatric problems that humans experience, says NPR's ...

Look in the mirror, and what do you see? You, of course. That answer isn’t as straightforward for all mammals. For decades, scientists have used a psychological milestone called the “Mirror Test” to ...

When you look in the mirror, what do you see? In all likelihood, you see a complex shape that you immediately recognize as yourself. Now, a team of researchers has found that mice appear capable of ...

Before you set a mouse trap, you may want to think — because the mouse might be thinking too. A new study has found that mice appear to recognize themselves in the mirror — placing them in a rarified ...

Scientists often test drugs in mice. Now some cancer patients are doing the same — with the hope of curing their own disease. They are paying a private lab to breed mice that carry bits of their own ...

Last summer the nation was excited by the invention of two vaccines to protect children against infantile paralysis (TIME, July 16; Aug. 27). There remained to be invented a simple, speedy way of ...