Glass frog photographed during sleep and while active, showing the differences in red blood cells within the circulatory system. Jesse Delia via AMNH When a tiny glass frog dozes off to sleep, its ...
DURHAM, N.C. -- Glassfrogs make themselves transparent while they rest by taking red blood cells from circulation and concealing them in their livers. A multi-disciplinary team of biologists and ...
Dec. 23 (UPI) --Researchers say they have solved the mystery of how glass frogs become mostly transparent while they sleep. The discovery may lead to innovations in how to understand blood clotting.
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