The cat got her tongue — and everything else. Thought Toco the human collie was intense? An Italian woman has received a whopping 20 body modifications so she can realize her dream of “transitioning” ...

The two cells that make up a one-day-old human embryo might look identical at first glance. But a study 1 published today shows that most of the human body forms from only one of those cells — a ...

A new imaging breakthrough combines ultrasound and light-based techniques to generate vivid 3D images that show both tissue structure and blood vessel activity. Developed by researchers at Caltech and ...