Methyl chloride (CH3Cl) is one of the most common chlorine-based gases in Earth's atmosphere. Along with related chemicals, it depletes the ozone layer, exposing life on the planet to more of the sun's ultraviolet radiation. ...
Earth Sciences
May 31, 2023
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For more than a century, forensic scientists have linked criminals to crime scenes through the distinctive loops and whorls on their fingertips. But now, researchers are moving beyond simple pattern comparisons to glean more ...
Analytical Chemistry
Mar 13, 2019
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Countless historical coins that differ from each other only in details are in storage at German state museums. Unlike paintings, these archaeological artifacts may not be labeled, marked or barcoded. Researchers at the Fraunhofer ...
Archaeology
Feb 1, 2019
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Police have used fingerprint evidence to catch and convict criminals for more than 100 years. It's a commonly used technique in Australia: more than 10,000 fingerprint matches were made in Victoria alone last year.
Security
Oct 24, 2017
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The first big case involving fingerprint evidence in the United States was the murder trial of Thomas Jennings in Chicago in 1911. Jennings had broken into a home in the middle of the night and, when discovered by the homeowner, ...
Security
Aug 14, 2017
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Technology to acquire and use biometric data such as fingerprints has been around for several decades and has made its way from forensic investigation to laptop computers – and now, with this week's introduction of iPhone ...
Other
Sep 13, 2013
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Ants are just about everywhere you look, and yet it's largely unknown how they manage to be so ubiquitous. Scientists have understood the carnal mechanism of ant reproduction, but until now have known little of how successful ...
Plants & Animals
Feb 12, 2013
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(Phys.org)—Scientists have identified the chemical 'fingerprints' given off by specific bacteria when present in the lungs, potentially allowing for a quick and simple breath test to diagnose infections such as tuberculosis.
Analytical Chemistry
Jan 10, 2013
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Do you know what all of your fingerprints look like? Would you be able to tell whether the pattern of ridges and valleys on a fingerprint was made by you or by someone else? If so, you might have what it takes to be a fingerprint ...
Computer Sciences
Oct 3, 2012
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(Phys.org)—The good news is that the FBI is crawling out of the fingerprint age. They are moving up into a $1 billion project that will enable criminal searches and accurate identifications using updated technologies including ...
