The human body has always been crowded with microscopic passengers, from bacteria to viruses and fungi. Over the past two years, however, researchers have started to realize that this familiar cast ...

Scientists mapping the human body at the cellular level keep running into the same surprise: beneath the apparent chaos of tissues and organs, there is a hidden order that looks a lot like pure ...

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 ...