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כתבות אחרונות מאתר 'Phys'
Phys

How winter canola could profit Illinois farmers, improve sustainability‎

A new simulation study from the University of Illinois Urbana-Champaign suggests winter canola could be profitable and environmentally beneficial if added to a conventional corn-soy rotation in the U.S. Midwest.

17:47
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Phys

Dodos probably weren't as stupid as historians made them out to be: new research‎

The dodo has been extinct for more than 300 years, wiped out within decades of humans arriving on its home island of Mauritius, but it lives on in the public imagination.

17:16
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Phys

Reduced gravity pushes people toward simpler movement patterns, experiments suggest‎

From reaching for a cup of coffee to tying your shoelaces, gravity shapes nearly all human movement. So how do our bodies react when that familiar force begins to change? Texas A&M University researchers are exploring the answer through a multiphase project supported by NASA.

16:45
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Phys

Swarms of tiny robots remove microplastics from soil and water‎

Microplastics, which are plastic particles under 5 millimeters, are a major and growing threat in both soil and water. They damage soil fertility, disrupt nutrient cycling, harm aquatic and terrestrial life, and can move through the food chain. That makes cleaning them up an urgent priority.

15:44
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Phys

Gut cells may measure hunger by how watery their insides become‎

Researchers led by Sa Kan Yoo at the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan have discovered that the natural turnover of gut cells in fruit flies depends on how much food the flies get, rather than on any specific nutrient. They found that gut cells were replaced more frequently when nutrient levels were low and the insides of gut cells were fluid and watery.

15:13
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Phys

Mega-study analyzes the impact of gratitude interventions‎

Are some interventions designed to induce gratitude more effectively than others? In which countries and cultures do they work best to improve mood, strengthen bonds between people and promote social reciprocity? A study aimed at answering these questions—conducted in 34 countries with more than 10,000 participants—had its results published in PNAS. In Brazil, the project received the help of researchers and 598 volunteers who responded to intervention prompts via an online tool.

14:42
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Phys

Canada tries to adapt to a future of wildfires‎

Faced with another summer when wildfires have scorched millions of hectares of land and blankets of smoke have disrupted daily life nationwide, Canada is trying to limit the annual devastation.

14:11
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Phys

Loneliness may damage health in ways isolation does not: New study‎

You can spend every day surrounded by other people and still feel lonely. You can also spend long periods alone without finding the experience distressing.

13:40
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Phys

Nocturnal 'coffee frog' discovered in Costa Rica‎

A tiny greenish, nocturnal frog that thrives in coffee plantations has been discovered in Costa Rica's central Pacific region, where it also faces risks from agrochemicals used in farming.

13:10
תפריט כתבה
Phys

Silver nanocatalysts switch reaction sites between power generation and hydrogen production‎

For the first time, researchers have discovered that the same silver (Ag) nanocatalyst operates at different reaction sites depending on whether a solid oxide cell is generating electricity or producing hydrogen. This finding introduces a new design principle for improving the performance of next-generation solid oxide cells.

10:07
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