Search results for fingerprint

Earth Sciences May 31, 2023

Plants found to leave chemical fingerprints on an ozone-depleting gas

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. ...

Materials Science May 18, 2023

Nontoxic powder uses sunlight to quickly disinfect contaminated drinking water

At least 2 billion people worldwide routinely drink water contaminated with disease-causing microbes.

Earth Sciences May 8, 2023

Atmospheric research provides clear evidence of human-caused climate change signal associated with CO2 increases

New research provides clear evidence of a human "fingerprint" on climate change and shows that specific signals from human activities have altered the temperature structure of Earth's atmosphere.

Astronomy May 3, 2023

Astronomers find distant gas clouds with leftovers of the first stars

Using ESO's Very Large Telescope (VLT), researchers have found, for the first time, the fingerprints left by the explosion of the first stars in the universe. They detected three distant gas clouds whose chemical composition ...

Biotechnology May 1, 2023

Solving the mystery of protein surface interactions with geometric fingerprints

Researchers from the Swiss Institute of Bioinformatics, Lausanne in Switzerland, used a geometric deep-learning tool that generates "fingerprints" of protein surfaces to describe geometric and chemical features critical to ...

Environment Apr 20, 2023

'Fingerprint' of wood can help fight illegal trade

The chemical composition of tropical timber used, for example, for bridges or in window frames, reveals where the trees were growing. This can be used to help trace timber origin and reduce illegal trade.

General Physics Mar 29, 2023

Attempting to catch dark matter in a basement

Few things carry the same aura of mystery as dark matter. The name itself radiates secrecy, suggesting something hidden in the shadows of the universe.

Molecular & Computational biology Mar 28, 2023

An epigenetic fingerprint as proof of origin for chicken, shrimp and salmon

Free-range organic chicken or factory farming? Scientists at the German Cancer Research Center (DKFZ) have developed a new detection method that can reveal such differences in husbandry. The so-called epigenetic method is ...

Evolution Mar 17, 2023

Fossil site is 'Rosetta Stone' for understanding early life

Leading edge technology has uncovered secrets about a world-renowned fossil hoard that could offer vital clues about early life on Earth.

Biochemistry Feb 27, 2023

New technique probes chemistry of enzyme implicated in Alzheimer's and cancer

If serine racemase is the magician that for decades disguised its trick—inverting an amino acid to assist learning and memory but also levitate risks of Alzheimer's and stroke—chemists just snuck a high-res camera behind ...

page 14 from 40