Genetic barcodes can ensure authentic DNA fingerprints

Engineers at Duke University and the New York University's Tandon School of Engineering have demonstrated a method for ensuring that an increasingly popular method of genetic identification called "DNA fingerprinting" remains ...

Residues in fingerprints hold clues to their age

Police have long relied on the unique whorls, loops or arches encoded in fingerprints to identify suspects. However, they have no way to tell how long ago those prints were left behind—information that could be crucial ...

Methane emissions spike: Is there one main culprit?

The level of methane in the atmosphere has risen dramatically in the last decade—and climate scientists are worried. Although there's still roughly 60 times less of it floating around than carbon dioxide, the gas heats ...

Synchronization of ice cores using volcanic ash layers

Thin, brownish layers of a thickness of about a millimeter or two are sometimes observed in the whitish/transparent ice cores. These brown layers consist of material originating from volcanic eruptions.

Nanocoating prevents greasy smears

Not only are greasy fingerprints on shiny stainless steel surfaces unattractive, they also attack the surface. A new nanocoating being developed by Fraunhofer researchers will in the future prevent the annoying smudges that ...

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Fingerprint (disambiguation)

A fingerprint is a mark made by the pattern of ridges on the pad of a human finger. The term has been extended by metaphor to anything that can uniquely distinguish a person or object from another, including:

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