Saturday, July 3, 2021

Solving a long-standing mystery about the desert's rock art canvas

Petroglyphs are carved in a material called rock varnish, the origins of which have been debated for years. Now, scientists argue it's the result of bacteria and an adaptation that protects them from the desert sun's harsh rays.

from Latest Science News -- ScienceDaily https://ift.tt/3qJgMFy
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Study finds untreated sleep apnea doubles Parkinson’s risk

A massive veteran study found a strong connection between untreated sleep apnea and a higher chance of Parkinson’s. CPAP users had much lowe...