Blood vessels at the base of the owls’ heads, just below the jawbone, kept expanding as more of the dye flowed in. Eventually, the fluid pooled into tiny reservoirs.

Head injuries bleed a lot because of all the blood vessels there. Your brain requires a tremendous amount of oxygen to do its job. In fact, about 20 percent of the blood flowing from your heart goes ...

The UCLA advance opens the door to growing other vascularized organ models, including intestines and colons, providing ...

Life Web of blood vessels helps protect whales’ brains while swimming. When a whale pumps its tail up and down to swim, a wave of increased blood pressure moves from the tail to the head – but ...