Every time they use their bony claw-like protrusions, they must re-puncture their own toe pads. As the claws retract, the ...

In our study, we were able to block the formation of claws in the clawed frog by switching off this ... "During the evolution ...

Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators into at least briefly questioning their meal choice. These iconic rain-forest amphibians sleep ...