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Studying the material remains of past human life and activities may not seem important or exciting to the average Joe unlike the biological sciences.

But archaeology’s aim to understand mankind is a noble endeavor that goes beyond uncovering buried treasures, gathering information, and dating events.

Prior planned to be a ‘‘regular scientist’’, like her aerospace engineer father.

But she became hooked on archaeology after her parents took her as a little girl to the archaeological sites of Colorado’s Mesa Verde.

The radiocarbon dating method is based on the fact that radiocarbon is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen.

The resulting radiocarbon combines with atmospheric oxygen to form radioactive carbon dioxide, which is incorporated into plants by photosynthesis; animals then acquire in a sample from a dead plant or animal such as a piece of wood or a fragment of bone provides information that can be used to calculate when the animal or plant died.

Research has been ongoing since the 1960s to determine what the proportion of in the atmosphere has been over the past fifty thousand years.

The drinking vessels made from rhino horn she sent for radiocarbon dating turned out to be modern fakes.It is in knowing what made past cultures cease to exist that could provide the key in making sure that history does not repeat itself.Over the years, archaeology has uncovered information about past cultures that would have been left unknown had it not been with the help of such technologies as radiocarbon dating, dendrochronology, archaeomagnetic dating, fluoride dating, luminescence dating, and obsidian hydration analysis, among others.Although little-feted, GNS's Rafter Radiocarbon laboratory in Lower Hutt was among the world's first to use radioactive decay to unravel history. Prior runs the half of the laboratory that cleans and distils samples down to pure elemental carbon, or graphite.Down the hall is her husband Albert Zondervan's domain – the hulking m machine that splits the carbon into its stable and radioactive forms.

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