A kind of transparent frog achieves near invisibility by hiding its red blood cells during the day, scientists found. "I had never seen anything like that," researcher Carlos Taboada says.

Glass frogs can turn on their transparent appearance by hiding 90% of their red blood cells in their liver during sleep, a new study in Science reported Thursday.

The mechanism by which glass frogs become transparent has been found and could lead to treatments for blood clots, scientists have revealed Mustafa Javid Qadri Thursday 22 December 2022 20:06 GMT ...