ScienceOzone hole over Antarctica reaches size of North America but no reason to panic NASA and NOAA scientists reveal that the ozone hole over Antarctica spans the size of North America, but there's reason to be optimistic. The hole is not getting bigger.by Rhodi Lee
ScienceLeopard frog call leads to discovery of new species in NYC: Hello, Rana kauffeldiby Aaron Mamiit
SciencePlan for Antarctic marine reserves larger than Texas failed (again), blame falls on China and Russiaby Jim Algar
ScienceNYC's newest amphibian species since 1854 was just discovered: It's a leopard frogby Rebecca Kaplan