Related topics: cells · heart attack · stroke · blood flow · cancer cells

Study suggests T. rex had an air conditioner in its head

Tyrannosaurus rex, one of the largest meat-eating dinosaurs on the planet, had an air conditioner in its head, suggest scientists from the University of Missouri, Ohio University and University of Florida, while challenging ...

Tropical sea snake uses its head to 'breathe'

Humans use a snorkel and fish have gills. Now researchers have found a sea snake which uses a complex system of blood vessels in its head to draw in extra oxygen when it dives and swims underwater.

Peptide hydrogels could help heal traumatic brain injuries

Traumatic brain injury (TBI)—defined as a bump, blow or jolt to the head that disrupts normal brain function—sent 2.5 million people in the U.S. to the emergency room in 2014, according to statistics from the U.S. Centers ...

A 'switch' that regulates traffic across blood vessels

NUS scientists have discovered a control mechanism that regulates the traffic of cells and substances across blood vessels. This effect can have significant impact on cancer metastasis.

Hidden life revealed inside dinosaur bones

One of the tricks you learn hunting dinosaurs in Canada is to look for orange. Dinosaur bones are dull browns, tans, and greys. But in the middle of the drab sandstones of the badlands—a dry landscape where wind and water ...

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Blood vessel

The blood vessels are the part of the circulatory system that transport blood throughout the body. There are three major types of blood vessels: the arteries, which carry the blood away from the heart, the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back towards the heart.

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