A RECENT dissection of an adult male common frog (Rana temporaria, L.), which was commenced by one of my first-year degree students, Mr. D. Wicks, revealed a major abnormality of the anterior venous ...

As tiny glass frogs fall asleep for the day, they take almost 90 percent of their red blood cells out of circulation. The colorful cells cram into hideaway pockets inside the frog liver, which ...

The see-through amphibians have an amazing strategy for hiding while asleep—one that could advance our understanding of blood clotting. The organs and developing eggs of a female glass frog, ...