Richard gilespie carbob dating

The cause of the extinction of giant birds, reptiles, and mammals in the late Pleistocene is, for palaeobiology, what Fermat's last theorem was for mathematics (1): a long-standing scientific puzzle that has captured the imagination of specialists and nonspecialists alike (2).Debate about the possible cause of the extinction has continued for over 150 yr (3–5), stimulated by new fossil finds, dating techniques, and modes of analysis.

Analysis carried out at the Australian Nuclear Science and Technology Organisation (ANSTO) on the skeletal remains of extinct megafauna is providing substantial proof that for about 2,000 years they infact shared the island with early humans before suddenly disappearing some time before the last ice age.The vanishing of megafauna was thought to have occurred thousands of years preceding human arrival, clearing them from any involvement. Closing the gap between humans and megafauna Using a technique called radiocarbon dating and a rethink on what samples are used, scientists carrying out the investigative work at Lucas Heights came up with a new set of theories.Radiocarbon dating uses the amount of Carbon 14 available in living creatures as a measuring stick.The debate is not strictly scientific, however, because it impacts on the broader understanding of the evolutionary theater of early human cultures, the fate of contemporary global biodiversity, and the rights of indigenous hunters (4, 6, 7).Indeed, the demise of the megafauna is often packaged as an environmental morality tale (8, 9).

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