Extremis' main business since startup has been making custom body armor for vehicles, mostly police cars, SUVs and some fire ...

Your eyes—retinal blood vessels and retinal imaging—may help predict heart disease, according to a new study. Here, doctors explain the findings.

According to a survey conducted by The Harris Poll on behalf of the American Heart Association, 42% of U.S. adults do not ...

Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord, and ...

Sea urchins look like an inanimate bundle of needles, but a closer look at these alien-like creatures reveals a surprisingly ...

"This fundamentally changes how we think about the evolution of complex nervous systems," said biologist Jack Ullrich-Lüter.

As winter looms on the horizon, so do viruses and bacteria prepared to usher in annual colds and flu. The immune system is the first line of defense against these types of viral infections and ...

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Quantum many-body physics explores emergent properties of many interacting quantum particles, which often have no counterpart in classical systems. Of particular interest is the study of ...