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A New York judge on Wednesday allowed DNA evidence obtained through advanced techniques into the forthcoming murder trial of Rex Heuermann, the man accused of being Long Island’s Gilgo Beach serial ...

Palo Alto’s new automated license plate recognition (ALPR) system relies on 20 cameras supplied by Flock Safety, one of which is pictured here. Courtesy city of Palo Alto. Palo Alto’s newest tool for ...

Scientists have found that keratin, the protein in hair and skin, can repair and protect tooth enamel. The material forms a mineralized layer that halts decay and restores strength, outperforming ...