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כתבות אחרונות מאתר 'Phys'
Phys

Physicists step closer to the 'Zeptoverse' after 42-year particle search‎

Physicists have found evidence of a particle decay so rare that it is expected to occur only around once in every 10 billion "beauty" particles. The result, from the upgraded LHCb experiment at CERN's Large Hadron Collider (LHC), follows a search spanning more than 40 years and brings physicists closer to exploring the "Zeptoverse"—an unexplored world that exists at distances of a billionth of a trillionth of a meter, or a "zeptometer," where new particles and forces of nature may be hiding.

17:46
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Phys

How to reduce harmful sexual behavior and protect your kids and their peers‎

Recent media reports of alleged sexual assaults by teenage boys draw attention to an uncomfortable truth: Young people sometimes perpetrate harmful sexual behavior against their peers.

17:46
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Phys

Afforestation reshapes wildfire activity across temperate regions worldwide‎

Tree planting provides wood, biomass and climate benefits, but the location where those new forests are established matters. An international study by researchers in Spain, Chile and Finland shows that converting nonforested land into planted forests can increase wildfire activity, with contrasting outcomes across temperate regions.

17:46
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Phys

Forgotten flint tools reveal how Egypt's farmers organized work before the pharaohs‎

More than a century after they were excavated from beneath Cairo, almost 3,000 stone tools from Heliopolis show that specialized work was already reshaping village life before Egypt became a state.

17:46
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Phys

JWST may have found where heavy black hole seeds formed‎

Astrophysicists think that the supermassive black holes (SMBH) we see in the modern universe are the result of a long, drawn-out process. That process is referred to as the hierarchical black hole mergers framework. It explains how some SMBHs can reach such staggering masses. Some of the most massive appear to have billions of solar masses.

17:46
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Phys

'Evolution in the act': Forest lizards reveal rapid adaptation in a warming world‎

Yale research scientist Saúl Domínguez-Guerrero didn't set out to catch "evolution in the act" when he traveled to the Caribbean with a team of Yale researchers a few years ago. At the time, the team from the lab of evolutionary biologist Martha Muñoz planned to do fieldwork on Caribbean anoles, colorful, tree-dwelling lizards native to warmer regions of the Americas.

17:46
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Phys

Many local communities know how to communicate during disasters. Let's learn from them‎

It was a frightening time.

17:46
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Phys

Beetle poop may have helped shape millions of years of yeast evolution‎

University at Buffalo scientists have found evidence that different species of yeast have shared genes originally acquired from an ancient virus—and the guts and droppings of beetles may have helped make it happen.

17:46
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Phys

Why we give flowers to those in grief—or buy them for ourselves when we're sad‎

During his renowned excavations at the Shanidar Cave in the Kurdistan Region of Iraq, American archaeologist Ralph Solecki located burial sites containing pollen and flower fragments from various species of wildflowers. He interpreted this as evidence that Neanderthals may have placed flowers around their dead at their burial sites around 60,000 years ago.

17:46
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Phys

Why are we so squeamish about eating hagfish?‎

When fishers are out working their boats, they are typically targeting a specific type of fish. However, other species often end up in their nets or trawls as well. This is known as "bycatch"—seafood for which the fishers receive no payment. Although it is illegal to discard bycatch back into the sea, it still happens.

16:24
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