3 ms·
Scientists have known since the mid-1930s that water wrinkles do not form if the nerves in a finger are severed, implying that they are controlled by the nervou
by ableal 15y ago
Scientists have known since the mid-1930s that water wrinkles do not form if the nerves in a finger are severed, implying that they are controlled by the nervous system.
That is the amazing part, if it's not a merely mechanical process. A bit further down they mention poor circulation also impeding wrinkling, so it may have something to do with control of capillary blood vessels.