What makes a frog’s tongue so sticky? The secret is in the spit
Friday, February 3, 2017 - 06:31
in Biology & Nature
Frogs and amphibians can nab an fly with remarkable speed — but the real secret of their bug-catching prowess is in the saliva. Unlike human spit, sticky frog saliva is a non-Newtonian fluid. That means it behaves as both a liquid and a solid. This unusual combination of tongue and saliva allows...