Their transparent toe tips fill with blood in precise patterns as they move to help adjust grip and detachment. The study, published in the Journal of Morphology, focuses on wandering salamanders.

Blood blisters in the mouth usually result from accidental injury. Most respond to home treatment, such as a saltwater gargle, oil pulling with coconut oil, or over-the-counter (OTC) medication.

The answer might be surprising. Wandering salamanders can fill, trap, and drain the blood in their toe tips to help them easily attach and detach to the bark of the trees. Christian Brown ...

A new study suggests that a tree-dwelling salamander may be able to control its grip on trees' bark by pumping blood in and out of the tips of its toes. This rather crafty strategy could one day ...