If you studied advanced physics at high school, there's a good chance that you remember Snell's law, which states how a ray of light bends when it crosses a boundary between two media. According to this law, the ratio of ...
Optics & Photonics
Jun 26, 2024
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10
For decades, a laboratory procedure known as transmission electron microscopy (TEM) has been used to test for asbestos in samples taken at construction sites.
Analytical Chemistry
Jun 25, 2024
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24
Few things last very long in the world of the open oceans, it would seem. In the light-filled surface layer, microscopic algae convert carbon dioxide and water into biomass via photosynthesis. Individual cells vanish in a ...
Environment
Jun 23, 2024
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3
UPV/EHU researcher Irantzu Vergara has managed to simultaneously analyze several families of antibiotics in vegetables and earthworms. Sampling carried out in various locations of the Basque Autonomous Community has yielded ...
Environment
May 23, 2024
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3
An international team led by scientists from the University of Liège has investigated the evolutionary patterns behind the development of saber teeth, with some unexpected results along the way. Their study has been published ...
Evolution
May 16, 2024
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163
Understanding the behavior of matter is crucial for advancing scientific fields like biology, chemistry, and materials science. X-ray crystallography has been instrumental in this pursuit, allowing scientists to determine ...
Analytical Chemistry
Mar 25, 2024
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9
A new artificial intelligence (AI) tool that draws logical inferences about the function of unknown proteins promises to help scientists unravel the inner workings of the cell.
Molecular & Computational biology
Feb 14, 2024
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217
PFAS have earned the name "forever chemicals" with good reason—the man-made compounds, which can take thousands of years to degrade and are found in everything from grease-resistant food packaging to water-repellent clothing, ...
Biochemistry
Feb 8, 2024
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364
A team of researchers has examined the Winchcombe meteorite and demonstrated the existence in it of nitrogen compounds such as amino acids and heterocyclic hydrocarbons—without applying any chemical treatment and by using ...
Astrobiology
Jan 29, 2024
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32
Lipids are a class of biomolecules that play an important role in many cellular processes. Analyses that seek to characterize all lipids in a sample—called lipidomics—are crucial to studying complex biological systems.
Biochemistry
Jan 23, 2024
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