Researchers have discovered a 2,400-year-old fingerprint on Scandinavia’s oldest plank boat, likely belonging to someone who helped repair the craft. This finding will help elucidate the origins and ...

An ancient fingerprint and several chemical clues from a 2,400-year-old sea raiders' boat are revealing secrets about where some mysterious attackers came from during the Iron Age. When you purchase ...

A fingerprint discovered on the wrecked remains of Denmark’s ancient Hjortspring boat have helped unravel the long-standing mystery behind the Scandinavian plank canoe’s origin. The wreck site of the ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Infrared (IR) spectroscopy is a powerful method for mapping chemical heterogeneity on ...

Illicitly manufactured fentanyl and its analogs (FAs) have emerged as major drivers of the ongoing opioid overdose crisis. Since 2013, a sharp increase in overdose deaths has been linked to heroin ...

WASHINGTON, Aug. 20, 2025 — How do you identify something no one has a test for? Designer drugs replicate the effects of known, illicit drugs but evade law enforcement. The chemical structure ...

The x-axis represents the Raman shift, measured in wavenumbers (cm⁻¹). It indicates the energy difference between the incident laser light and the scattered photons, corresponding to specific ...

Regional gas prices are essentially unchanged for the second consecutive week and reached an average of $3.13 per gallon of regular fuel on Monday, approximately the same as last week's price, ...

Polymers are used in many industries, including food packaging, tire manufacturing, adhesives, and medical-grade plastics. Photothermal atomic force microscope-based infrared spectroscopy (AFM-IR) ...