Science news articles about 'accelerator mass'

... San Andrés was a waterlogged site and the sunflower remains from that site were also well preserved. Using accelerator mass spectrometry, the sunflowers at San Andrés were found to be older than 2600 ...

... carbon-dating capabilities. Currently, measuring such small changes in C-14 requires using an accelerator mass spectrometer (AMS), which is as large as a room, expensive and requires a sample size ...

... used before in the Black Sea. They employed high resolution dating performed at WHOI's Accelerator Mass Spectrometer (AMS) facility and only used "articulated" bivalves – those where both sides of the ...

... in the nation with equipment capable of performing this kind of dating. The facility contains an accelerator mass spectrometer that can perform ultra-sensitive analyses to measure low levels of trace ...

... of Hawaiian deep-sea corals are far older than previously recorded. Using the Lab's Center for Accelerator Mass Spectrometry, LLNL researchers Tom Guilderson and Stewart Fallon used radiocarbon ...

... germinating. That is 10 times longer than most field botanists had believed. Using the Lab's Center for Accelerator Mass Spectrometry to measure the amount of carbon 14 in seeds of the trees Croton ...

... of heart cells is, on average, six years younger than the individual. Using the Laboratory's Center for Accelerator Mass Spectrometry, Buchholz measured the amount of carbon 14 in DNA to establish ...

... Dr Andrew Smith, from ANSTO, studied the source of methane by using a technique called accelerator mass spectrometry to detect individual radiocarbon atoms from ancient atmospheric methane samples ...

... looked at historical fire occurrence by analyzing sediments found in the bottom of lakes. Using the Lab's Center for Accelerator Mass Spectrometry, they carbon dated the deposits in the sediment and ...