Uranium dating of coral tools used by the earliest settlers of the South Pacific island kingdom of Tonga offers unprecedented precision in reconstructing their history.
Uranium dating of coral tools used by the earliest settlers of the South Pacific island kingdom of Tonga offers unprecedented precision in reconstructing their history.
Laser-based isotope detection systems are moving into the realm of food authentication.
Evidence that large dinosaurs had body temperatures similar to modern-day mammals suggests they were either endothermic or extremely good at conserving body heat.
The UK’s immigration agency has abandoned a program to develop DNA and isotope testing to assess the nationality of asylum seekers
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