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כתבות אחרונות מאתר 'Phys'
Phys

Innovation enhances multiomics workflow, eliminates sample preparation‎

A patent-pending method developed and tested for multiple applications at Purdue University eliminates sample preparation, a bottleneck that currently dominates a laboratory scientist's time and budget, and enables spatial analysis using liquid chromatography-tandem mass spectrometry (LC-MS/MS).

05:35
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Phys

Racing to build a radio telescope on the moon‎

Remember the "Wow!" signal? That high-energy radio signature occurred in 1977, when Earth was much "quieter" in the radio band. If it happened today, it probably wouldn't even move the needle on the background noise of human radio chatter. Signals from satellites, radar and other human technology have crowded out extraterrestrial radio signals, limiting our ability to monitor the heavens for signals like the still-unexplained one received in 1977. What's more, the ionosphere partially blocks lower-frequency radio signals, making them even harder to detect from the ground.

05:17
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Phys

Couples' coping skills help reduce depression in GI cancer survivors‎

Dyadic coping is a potentially modifiable protective factor in the psychological health of middle-aged and older gastrointestinal cancer survivors, according to a study recently published in the European Journal of Cancer.

04:43
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Phys

Scientists discover learning and memory formation in model membranes‎

A decades-long collaboration between two scientists at the Department of Energy's Oak Ridge National Laboratory is reshaping how we understand learning.

04:28
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Phys

Modern consumption patterns traced back to WWII mobilization‎

Research in the International Journal of Sustainable Development has examined eight nations involved in World War II, both Allied and Axis countries, and shows how that period of history helped set societies on the path to the resource-intensive modern economies of today. The research links wartime mobilization to the period known as the Great Acceleration in energy use, material consumption and ultimately detrimental environmental impact.

04:01
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Phys

Sustainability commitments have serious consequences‎

Amid increasingly stiff competition for capital, one way for a business to stand out is to make strong social impact pledges. For example, companies can voluntarily commit to environmental impact goals in hopes of attracting sustainability-minded investors and lowering the cost of capital. However, it isn't easy to tell whether these commitments, in and of themselves, make a difference in the marketplace—or, for that matter, to the planet.

03:49
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Phys

Climate change is rewriting England's 'green and pleasant' story‎

In 1804, William Blake wrote in his poem Jerusalem of England's "green and pleasant" land. This idealized vision of English pastoral has resonated through two centuries, fusing the character of the nation with its landscape—those "mountains green" and "pleasant pastures."

03:27
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Phys

Perovskite-based sensor detects ammonia leaks at concentrations as low as 1 ppm‎

A team led by principal researcher Myungkwan Song of the Energy & Environment Materials Research Division at the Korea Institute of Materials Science (KIMS) has developed an ultrasensitive ammonia gas sensor using an environmentally friendly, lead-free perovskite material.

03:01
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Phys

Changing bacterial feedstock unlocks flexible biopolymers with stronger antibacterial effects‎

Changing the carbon source used during bacterial fermentation—essentially, what bacteria are fed—can significantly influence the properties of the sugar polymers they produce, known as bacterial exopolysaccharides (EPSs).

02:41
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Phys

Supramolecular nanofibers paired with nanohole substrate improve exciton transport in organic solid‎

Self-assembling, anthracene-based supramolecular nanofibers can enable excitons to migrate hundreds of nanometers, according to a new experimental finding by researchers at Science Tokyo. Coupling these nanofibers with a plasmonic gold nanohole substrate further doubles exciton diffusivity. By mitigating the limited diffusivity of singlet excitons in organic semiconductors, this approach offers a new strategy for improving optoelectronic technologies.

02:41
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