Your DNA could transfer to a weapon you have never touched

Forensic scientist Niamh Nic Daeid explains how your DNA could end up on a murder weapon and why smoke alarms don’t wake children

Source:
https://www.newscientist.com/article/mg24332451-800-your-dna-could-transfer-to-a-weapon-you-have-never-touched/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home