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כתבות אחרונות מאתר 'Phys'
Phys

Mapping wildfire risk across the US, day by day‎

Wildfires can spread fastest when they tear through areas of dry vegetation. In contrast, vegetation that contains a lot of moisture can slow a wildfire's advance and give firefighting crews precious time to contain the blaze.

03:22
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Phys

Biodiversity in production forests: Both costs and benefits shape the financial picture‎

Forests provide timber as well as many other ecosystem services. An important question is how measures to conserve biodiversity affect the profitability of forest operations focused on wood production. Researchers from Wageningen University & Research and the University of Freiburg reviewed studies worldwide that compared forest management with biodiversity conservation measures against business-as-usual management without those measures. The work is published in the journal Current Forestry Reports.

03:06
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Phys

Patriot parking predictions putting students in the proper spot‎

College students are already under stress from classes, tests and presentations. So when something as "easy" as finding a parking spot is anything but, it can cause a bad start to an already challenging day.

02:46
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Phys

US-India satellite captures time-lapse video of volcanic eruption‎

Like tendrils on a vine, lava spreads out from the northern crater of Krasheninnikov, a volcano pair on the Pacific coast of Russia's Kamchatka Peninsula. On July 30, 2025, an 8.8-magnitude earthquake struck in the nearby ocean, apparently jolting one of the two volcanoes awake. A few days later, for the first time in nearly five centuries, Krasheninnikov started erupting. Since then, the northern volcano has been spilling a steady, eastward-flowing field of molten rock and debris, and the NASA-ISRO Synthetic Aperture Radar (NISAR) mission has been tracking the changes in the landscape.

02:46
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Phys

Changing counterions gives molecular materials new electronic behaviors‎

Orthogonally arranged π-electronic systems that combine electron-donating and electron-accepting units display distinctive electronic and photophysical behavior. Fine-tuning their electronic structure offers a way to control photoinduced electron transfer. Building on this idea, complexing boron with 1,3-diketones and 9-oxidophenalenone may produce electron-deficient cationic π-electronic systems.

02:26
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Phys

What is not perceived as abuse in youth sports may be part of sexual violence‎

Sexual violence against minors in sports is a reality that goes largely unnoticed, despite data suggesting it is not an isolated phenomenon. According to a report by the GIKAFIT research group at EHU in the Autonomous Community of the Basque Country, 20% of participants had experienced behavior of a sexual nature from their coaches, including kissing on the lips, expressions of sexual interest and direct proposals for sexual relations.

02:26
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Phys

Materials analysis sheds light on minting mystery of 1834 British sixpence‎

A severely deformed 1834 British silver sixpence preserves physical evidence most consistent with an unusual minting anomaly, according to an IA STUDIO study published in npj Heritage Science. The coin was individually marked £8 in a mixed coin album at a flea market in Greater Manchester. The album was later acquired as a bulk lot, rather than the sixpence being purchased separately for £8.

02:06
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Phys

Researchers expand touchpoints to enhance literacy promotion‎

Literacy promotion programs, combined with community-based support programs, can affect literacy development in Latino children from birth to 18 months of age, Rutgers researchers have found.

02:06
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Phys

LA fire smoke triggered surge in airborne toxins: How long did they stay?‎

A new study from UCLA provides insights into how the January 2025 Eaton fire affected air quality downwind, showing how levels of toxic airborne contaminants spiked and then dissipated as the burning died down. The research is published in the journal ACS ES&T Air.

01:45
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Phys

Hurricane Helene deposited nearly one-fifth of annual microplastics at one North Carolina site‎

Rainfall from Hurricane Helene produced a short-term spike in microplastics at three sites in western North Carolina, with microplastic deposition three to 22 times higher than before the storm.

01:45
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