Your Blood Vessels Could Circle Earth Four Times Laid end to end, an adult's blood vessels could circle Earth's equator four ...

For nine months, you were enveloped in the warm, comfortable world of your mother's womb. Your every need was taken care of. The placenta supplied you with oxygen from your mother's blood, so your own ...

A puzzle for millennia, the movement of blood through the body was solved by an English physician in the 17th century, paving the way for modern medical technologies. What do chemotherapy, dialysis, ...

Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...

Engineers report on how a computational technique they developed can quickly produce designs for 3D printing carbon-fiber composite materials with an internal vasculature optimized for active-cooling.