How salamanders handle to maneuver round on uneven, vertical tree surfaces with such dexterity has lengthy baffled scientists. A brand new discovery suggests they use a trick out of a horror film: filling their toes with swimming pools of blood.
Whereas Christian Brown at Washington State College was observing wandering salamanders (Aneides vagrans) via a close-up digicam in 2021 in a coastal redwood forest, he observed blood shifting in a rhythmic sample beneath their translucent pores and skin. Earlier than lifting their foot to take a step, blood inundated the information of the salamanders’…