Scientists 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
'Spray and Pray' iMessage Scam Haunts iPhone Owners: How to Avoid Losing Your Hard-Earned Money From it