Though it accounts for just two percent of the body’s weight, the brain consumes a whopping 20% of its total energy. To get the energy it needs for more complicated tasks, the brain has evolved a ...

Cerebral blood delivery depends on mechanisms such as electrical signaling, which propagates through capillary networks to upstream arterioles to deliver blood, and calcium signaling, which fine-tunes ...

The venous system maintains the health of our brains by removing deoxygenated blood and other waste products, but its complexity and variability have made scientific study difficult. Now, a UC ...

The physical forces exerted by a heart beat and the blood flow it produces trigger the formation of new blood cells, according to two studies published today (May 13) in Nature and Cell. Zebrafish ...