Latest Stephan C. Schuster Stories
A rare, ancient polar bear fossil discovered in Norway in 2004 is yielding a treasure trove of essential information about the age and evolutionary origins of the species whose future is now seen as synonymous with the devastation wrought by climate change.
Two genetically distinct groups of woolly mammoths once roamed northern Siberia, a new study suggests, with one group dying out long before humans showed up. The finding suggests humans were not the only reason for the beasts' demise, as some have suggested. Scientists had long thought that woolly mammoths were one large homogeneous group, but an international group of scientists studied the mitochondrial DNA - the DNA in the genes of the mitochondria structures within cells - to...
- totally perplexed and mixed up.