
Fingerprint Ridges Can Lower Friction on Dry Glass
Fingerprint ridges cut contact area on dry acrylic glass by about one third. Sweat can later raise friction on glass, so the story has two parts.
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We stick to what clinical research actually supports, not what a product label implies. Recent explainers include Fingerprint Ridges Can Lower Friction on Dry Glass and The Photic Sneeze Reflex Affects About One Person in Four.

Fingerprint ridges cut contact area on dry acrylic glass by about one third. Sweat can later raise friction on glass, so the story has two parts.
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The photic sneeze reflex is a sneeze set off by sudden bright light. Here's what studies have found about the eyes, brain and genes behind it.
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The muscle that raises your hair is a leftover from our furrier ancestors, and a 2020 study found it also tells your hair follicles when to grow.
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Shivering thermogenesis is the body's emergency heat system. The muscle contractions are inefficient on purpose, and that waste heat keeps your core alive.
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