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 ...

Glass frogs have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal Science. Ernesto Benavides/Getty Images Now you see them, now you ...

Glass frogs do not live a life of modesty. With their semitransparent skin—green on the back, clear on the belly—the tree-dwelling, gummy-bear-size amphibians, which are native to the tropics of ...

(CN) — If you’re ever in the rain forests of Colombia, don’t expect to see any glass frogs hanging out; the tiny frogs are masters of camouflage, thanks to their transparent skin. The glass frog, ...

Turn a glass frog over and you can watch its heart beat. Not through a scan. Through the animal itself. The belly skin is clear enough to show the heart, the vessels branching off it, the gut, and in ...

Jesse Delia says it happened in Panama. A few years back, he was finishing up his field work — a research project examining the parental behavior of a type of glassfrog. He brought a handful of these ...

Cutting carbon dioxide emissions to curb climate change and reach net-zero is possible but not easy, Alexandra Witze reported in “The road to net-zero” (SN: 1/28/23, p. 22). A report by Princeton ...

In the previous article, we introduced how various Japanese wild animals survive the winter in their own unique ways. This ...