Despite their relatively small size, opossums have an impressive 50 teeth in their mouths! That's more than any other land mammal living in North America.
Tundra Turns Traitor: Warming Climate Shifts Carbon Sink To Source
Recent research shows that global warming may convert tundras from carbon sinks into sources, intensifying climate change. The study highlights the need for detailed climate... http://dlvr.it/T9fC2Q
