It fits on a human fingertip, but this chameleon could make a big splash. Scientists from Madagascar and Germany say a newly discovered species of chameleon is a contender for the title of world’s smallest reptile. Frank Glaw, who was part of the international team of researchers that classified the new species and named it Brookesia nana said the body of the male specimen appeared to be just 13.5-millimeters-long (a little more than a 1/2-inch.) That’s at least 1.5 millimeters smaller than the previous record holder, another member of the Brookesia family. Glaw, a reptile expert at the Bavarian State...