With their hearts, guts and other internal organs visible through translucent skin, glass frogs look vulnerable. Now, scientists have found that the embryos of these nocturnal frogs do not like ...

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Now you see them, now you don't. Some frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal ...

As winter swoops over the world, wrapping the days in mist and hardening the ground beneath a layer of frost, people retreat indoors to snuggle into cozy blankets. With heaters humming in the ...

East Rock seventh grader Jeryl searches for frog’s large intestines… Credit: Maya McFadden Photos …while others check out the frog’s tongue and teeth. East Rock School seventh graders Leia and Lesly ...

Alaskan wood frogs survive freezing temperatures by entering states of suspended animation. They do this by undergoing a controlled body freeze, spreading glucose through their bodies, and shutting ...