120-year-old frog DNA Back in 1905, a German researcher, Gustav Tornier, presented to the Royal Prussian Academy of Sciences in Berlin, the discovery of a toad from Tanzania that, astonishingly, gives ...

Amphibians like frogs and toads are a great way to observe metamorphosis. They lay eggs that develop into tadpoles, and then these tadpoles develop into froglets and toadlets until at last we have our ...