The 84-year-old mother of "Today" host Savannah Guthrie is believed to have been taken against her will from her Tucson, Ariz., home in the early morning hours of Feb. 1 ...

Eleven weeks into the investigation of Nancy Guthrie's disappearance, authorities have yet to make an arrest. The FBI has ...

Probes are short, single-stranded chains of nucleic acid that seek out and latch themselves to a complementary sequence of nucleic acids, often buried anonymously in a much larger section of DNA/RNA.

Add Yahoo as a preferred source to see more of our stories on Google. All the cases involving a DNA scientist in Colorado are now under review after an internal affairs investigation found the woman ...

In another setback for the Nancy Guthrie kidnap probe, DNA on a glove found in the first weeks of the investigation turned out to belong to a restaurant worker and is unrelated to her masked abductor, ...

Fluorescent probe-based techniques have been recognized as one of the most powerful tools for real-time imaging and sensing in biological samples. They can detect biological species, such as metal ...

Nancy Guthrie was abducted from her Tucson home on February 1. Advanced analysis is being conducted to identify those responsible, with assistance from several laboratories across US.

PCR/qPCR solution will support surveillance and monitoring of the current H5N1 strain of bird flu in response to multi-state outbreak in U.S. dairy cows CORALVILLE, Iowa--(BUSINESS WIRE)--Amidst ...