Science news articles about 'african frogs'

Biologists at Harvard University have determined that some African frogs carry concealed weapons: When threatened, these species puncture their own skin with sharp bones in their toes, using the bones ...

RENO, Nev. (AP) -- Authorities who seized scores of illegal African clawed frogs from Nevada residents say they have traced the creatures - banned because of their potential for ecological damage ...

... in babies, including facial defects, short stature, and mental and behavioral abnormalities. The African frog, Xenopus, is a valuable tool for understanding early vertebrate development since these ...