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Found dead in the snow: How microbes can help pinpoint time of death for forensic investigations in frigid conditions

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Forensic scientists studied microbes involved in decomposition to predict time elapsed since death in extreme cold conditions with high accuracy.

The study took place in Grand Forks , North Dakota , one of the coldest cities in the U.S. , where winters are characterized by temperatures that can drop to -40 degrees Fahrenheit ( -40 degrees Celsius) Forensic investigators can sample what microbes are living in a dead body to deduce how long ago a person died.

More information: Lavinia Iancu et al, Decomposition in an extreme cold environment and associated microbiome—prediction model implications for the postmortem interval estimation, Frontiers in Microbiology ( 2024 ). DOI: 10.3389 /fmicb.2024.1392716 This article is republished from The Conversation under a Creative Commons license. Read the original article. Provided by The ConversationThis story was originally published on Phys.org . Subscribe to our newsletter for the latest sci-tech news updates..