Starting on Leap Day, people around the world are celebrating the International Year of the Frog. Experts fear that approximately two thousand species of frog, toad, and salamander are in danger of extinction — many within the next five years if we don’t take action. Why are amphibians in trouble? One main factor is a fungus that comes from South Africa. Here’s how the chytrid fungus became a problem: In the 1930s, scientists discovered that the African clawed frog could be used as a human pregnancy test. Inject the frog with female urine. Within a day, if the frog produced … Continue reading →