Wednesday, September 26, 2018

Smartphone system to test for lead in water

Researchers have created an inexpensive system using a smartphone and a lens made with an inkjet printer that can detect lead in tap water at levels commonly accepted as dangerous.

from Top Health News -- ScienceDaily https://ift.tt/2OXwgSU
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Hidden stem cells may be fueling spinal stenosis

Scientists have discovered a stem cell that appears to serve as a master source for tendon and ligament cells throughout the body. In lumbar...