The discovery is helping to clear up a long-standing mystery as to when frogs and toads evolved their iconic two-stage life-cycle. "The research demonstrates that a tadpole stage followed by a ...

It may settle a debate about when the tadpole stage of frog development evolved. "There are some researchers that state that probably the most [ancient] frogs didn't have a tadpole stage," said ...

They also measured the total length of 4,299 tadpoles and determined their developmental stage—the so-called Gosner stage, which ranges from zero for embryos to 42 for tadpoles on the brink of ...

By removing a gene to stunt cane toads at their tadpole stage, scientists hope they may have found a way to make the invader ...

A tadpole (stage 59, Xenopus tropicalis) at the beginning of metamorphosis (left) and a froglet (stage 66, X. tropicalis) after metamorphosis (right). The skeleton undergoes dramatic remodeling ...

Second, take along your banjo. Bring along the one you strummed while singing your famous song, “Rainbow Connection” to open The Muppet Movie. I suggest you sing a few lines from that song, and then ...

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