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Ron Reimer and Professor Emeritus Mike Baillie from Queen's School of Geography, Archaeology and Palaeoecology also contributed to the work. "Archaeological 'time machine' greatly improves accuracy of early radiocarbon dating." Science Daily. ...

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People in nearly every major demographic group—old and young, men and women, urbanites and rural dwellers—are more likely to know someone who uses online dating (or met a long term partner through online dating) than was the case eight years ago....

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Some isotopes of certain elements are unstable; they can spontaneously change into another kind of atom in a process called “radioactive decay.” Since this process presently happens at a known measured rate, scientists attempt to use it like a “clock” to tell how long ago a rock or fossil formed....