Nicotine induced defects in the frog embryo brain (center) can be rescued by transplanting an HCN2 expressing patch on the embryo far from the brain. Treated embryos are observed to have normal brain ...

Ancient Frog is a new kind of puzzle game for the iPhone. The premise is very simple: you have to guide your frog so that he’s in position to eat a tasty fly. But there are only so many places on the ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. In the Cretaceous forests of ancient Madagascar, one frog ...