More than two weeks after Nancy Guthrie vanished from her Tucson home, investigators say a subtle detail in security footage could offer a new lead. Authorities are now examining whether the suspected ...

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The investigation into Nancy Guthrie's disappearance has taken a key forensic turn, RadarOnline.com can reveal. The FBI confirmed that a glove recovered near Nancy's home contains a DNA profile that ...

If you are anything like us, whenever you plan a journey, you spend a remarkable amount of time thinking about the start and ...

The DNA packed inside every human cell contains instructions for life, written in billions of letters of genetic code. Every time a cell divides, the complete code, divided among 46 chromosomes, must ...

Despite extensive studies on DNA replication, the exchange mechanisms of DNA polymerase during replication remain unclear. Existing models propose that this exchange is facilitated by protein partners ...