Carbon 14 is continually being created in the Earth's atmosphere by the interaction of nitrogen and gamma rays from outer space.
The recalibrated clock won’t force archaeologists to abandon old measurements wholesale, says Bronk Ramsey, but it could help to narrow the window of key events in human history.So by measuring carbon 14 levels in an organism that died long ago, researchers can figure out when it died.The procedure of radiocarbon dating can be used for remains that are up to 50,000 years old.16 feet under: finding a matched set of whitetail sheds can be tough enough when they're lying on top of the ground.This one is dedicated to Susan Gerbic and her team of wikipedia editors, fighting the good fight against facts claimed without references. You mean that somebody just made up all that stuff about them? Since last January we’ve been bringing science programming to bars, theaters, and comic cons in Colorado.As I often say during Facebook arguments: link, or it didn’t happen. Our flagship program is called the Peer Revue, where we teach scientists to perform stand-up comedy then throw them on stage in front of a live audience.
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Archaeologists vehemently disagree over the effects changing climate and competition from recently arriving humans had on the Neanderthals' demise.