Questions to think about:

How are tree rings used to calibrate radiocarbon dates? Which trees are used and why?
What is the marine reservoir effect? Why do dates for people consuming a marine diet need to be calibrated differently?
Why are corals used for marine radiocarbon calibration?
Who is Tom Higham, and what have been his major contributions to radiocarbon dating?
Besides fluctuations in solar activity, what other of factors can alter a radiocarbon date? Clue: Why were many Upper Paleolithic skeletons initially dated too young?
How have advances in radiocarbon dating changed our understanding of the Upper Paleolithic "Red Lady"of El Mirón?
When did the last Neanderthals likely go extinct?