Investigators are using an unusual tool to solve cold cases, discarded chewing gum. NBC News reports that DNA from gum has helped link suspects to violent crimes, including cases involving a serial offender, highlighting how advances in forensic technology are making old evidence “stick” and bringing new leads in long-unsolved murders. 

Dyson has unveiled a new fan and air purifier combo that can automatically follow you around the room, directing clean air wherever you are. The device uses sensors and motion‑tracking technology to adjust airflow in real time, highlighting how smart home products are becoming more personalized and a little futuristic. 

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