However, carbon-14 is only found in trace amounts, which can make it difficult to detect.
The pesticides, known as organophosphates, are commonly sprayed on food crops and can be found in trace amounts on berries, green beans, and other fruits and vegetables sold in stores.
As Anders mentioned, so many people here in Chicago trace their roots back to NATO countries.
The only drug not in veterinary records was this fourth drug present in only trace amounts.
Clive Palmer said Friday he intends to refloat the United Australian Party, a once dominant force in Australian politics that sank without a trace in the 1940s.
Trace quantities of vitamins occupy the same essential phenomenological niche in our food that trace amounts of rare earths occupy in our technologies.
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However, a large proportion of whites in America can trace their wealth back to homesteading programmes that blacks were not allowed to participate in.
Archaeologists said the excavation, in Navenby, could help them trace Roman occupation in the area from AD55.
Initially, the Twitter message was a precaution -- something people could trace in case anything went wrong, Buck said.
Others work for years on brilliant books only to see them vanish without a trace in a huge, impatient marketplace.
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They have accepted that their liability goes far beyond what accountants will be able to trace in the banks' books.
"We've had considerable success in the past using closed-circuit television footage in order to trace the movements of the people involved, " he said.
Police have released pictures of a man they want to trace in connection with the death of a pedestrian in a car crash in Hertfordshire.
It is also one of loss: Mr Mbeki's only son, fathered when he was still a teenager, disappeared without trace in the early 1980s, as did his younger brother.
"I also found that no thorough comparison of data from controlled archive cases was undertaken with other government departments or financial institutions in order to trace applicants until April 2012, " he said.
Extensive CCTV footage and cameras between Wisbech, Lincoln and Newark in Nottinghamshire had also helped police trace the movements of the defendants in the hours before and after the attack.
BBC: Sonny Grey murder trial hears of 'boiling water torture'
In any case, no trace of water or ice was detected anywhere, even in the deepest of Mathilde's craters.
Detectives have been reviewing CCTV footage of the area in an attempt to trace her movements.
The gaily plumed horses in the different rings trace divergent patterns at variant speeds and impulsions.
On Tuesday Mr Youdan's granddaughter, 16-year-old Saskia Willemstein, used Twitter in an attempt to trace those involved.
And I have a profound respect for the traditions of hunting that trace back in this country for generations.
Typically, drugs get into the water supply when people flush unneeded medication down toilets or pass trace amounts in urine.
"I have a profound respect for the traditions of hunting that trace back in this country for generations, " he is quoted as saying.
The device continues to read out words and sentences, adding in the ability to trace letters and write them out on its special paper.
The lack of personal records has also made it difficult for the adopted children of those locked up in the laundries to trace their mothers.
Before you rush to deactivate or completely censor your profiles, consider this: having little to no trace online in this digital age can work against you.
Police in rural parts of Hampshire have joined forces with farmers and the rural community in an attempt to trace stolen heating fuel by "tagging" it.
BBC: Heating oil 'tagged' to tackle rural theft in Hampshire
Our aims must be to see, treat and trace partners in as speedy a manner as possible and to protect personal wellbeing whilst also preventing onward transmission.
They are concentrating on a study of stable isotopes - atoms of the same type but with different masses - and trace elements in the birds' feathers.
The food industry is also trying to restructure ingredients at the nanoscale so as to include particles of trace metals in food supplements and to produce less-fattening foods.
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