ScienceScientists Find Stalagmites That Could Be 'Holy Grail' Of Carbon Dating View from the Hulu Caves in China. Scientists found a pair of stalagmites that push the limits of radiocarbon dating. The stalagmites were found to be 54,000 years old and offered an unbroken atmospheric record.by Diane Samson
ScienceDid Humans Arrive In North America 10,000 Years Earlier Than Previously Thought?by Katrina Pascual
ScienceDeadliest Landslide In US Not Random Occurrence: Dating Method Shows Oso Landslide Occurs Every 500 Yearsby Katrina Pascual