Why humans see clearly

Why humans see clearly

A transparent cornea is essential for vision, which is why the eye has evolved to nourish the cornea without blood vessels. But for millions of people around the world, diseases of the eye or trauma spur the growth of blood vessels and can …

New System Speeds the Mapping of Blood Vessel Networks in Live Tumors

Researchers have developed an automated system that can swiftly map capillaries in a live tumor. What used to take days of manually tracing the vessels, now takes two minutes. The diagnostic tool, in use at Harvard Medical School and at Northeastern University, is a boon to oncologists who aim to understand how blood vessels form in tumors.

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