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כתבות אחרונות מאתר 'Phys'
Phys

Biochar has limited effect on potato yields—but may improve soil and climate‎

In a three-year project, researchers at NIBIO have tested how biochar affects potato yields and soil quality under Norwegian conditions. The results show that biochar has little effect on yield, but that it may offer other benefits.

17:21
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Phys

Glaciers rapidly declining, with extreme losses in 2025‎

Earth's glaciers are continuing to shrink at alarming rates, with new international research revealing that 2025 was among the worst years on record for global ice loss. Published in the Climate Chronicles collection of Nature Reviews Earth & Environment, the study provides the latest global assessment of glacier mass change, showing an accelerating trend driven by rising temperatures.

17:21
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Phys

ESA's Celeste broadcasts first navigation signal from low Earth orbit‎

The European Space Agency has achieved a European first with Celeste, successfully transmitting a navigation signal from low Earth orbit, following the launch of the mission's first satellites on March 28.

17:07
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Phys

SoCal's hybrid bees outsmart Varroa mites before they even hatch‎

Southern California is home to a flying black-and-yellow treasure. While commercial honeybee hives nationwide are collapsing under attack from deadly parasites, a unique hybrid bee found only in this part of the state has demonstrated the ability to survive.

17:07
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Phys

Q&A: Colorado river basin under increasing strain; will cutting back on water use be enough to help?‎

As drought conditions intensify across the American West and the impact of climate change accelerates, cities such as Phoenix, Denver and Las Vegas may face a sobering reality. While it certainly helps, water conservation may no longer be enough.

16:48
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Phys

Search for dark matter intensifies as leading detector reaches milestone‎

Deep underground in a Canadian mine, a refrigerator nearly 1,000 times colder than outer space has just reached its target temperature—a milestone that brings scientists one step closer to potentially detecting dark matter, the invisible material thought to make up most of the mass in the universe.

16:48
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Phys

The Deep Space Network acquires Artemis II signal‎

The acquisition of the radio frequency signal from the Artemis II crewed mission to the moon by NASA's Deep Space Network (DSN) is indicated by the peak in the data signal shown on the top computer screen.

16:21
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Phys

Tarantulas may use learning and memory to search for food and locate their retreats‎

Researchers have documented several cases of spatial orientation in tarantulas living both in trees and in underground burrows. Spatial orientation refers to the ability of an animal to understand where it is in three-dimensional space and how to navigate purposefully within its environment.

16:21
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Phys

Seabirds reveal global mercury distribution in oceans‎

Mercury released into the oceans affects marine environments worldwide. Traditionally, its distribution and quantity have been estimated using marine biogeochemical simulation models.

16:21
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Phys

Report: Unhoused individuals want permanent housing, face steep financial barriers‎

As local governments and service providers search for the most effective ways to support people experiencing homelessness, a new report from Portland State University centers on problem solving in the experience of those navigating homelessness.

16:21
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