Notícias · Recifes

Traveling protein waves reveal how dividing cells set chromosome-splitting spindle size

When a human cell prepares to split into two daughter cells, it must first construct a tiny internal machine called the mitotic spindle—a structure of protein fibers that physically pulls chromosomes apart and deposits one set into each new cell. Get the spindle the right size an

Admin Recifes 15/07/2026 2

Nature's puncture tools reveal shape trade-offs between piercing power and strength

Nature has invented countless types of pointy appendages, and scientists have long sought to explain what makes these structures so effective at puncturing other things. A new study models the key physical characteristics of puncturing tools to reflect their diversity in nature,

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Measuring what cupping therapy pulls from the skin

Cupping therapy is a traditional Chinese medicine (TCM) technique used to treat chronic pain, expedite muscle recovery and other conditions. It increases blood flow by creating suction on the skin. But what is released from the skin during treatment? Researchers reporting in ACS'

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Scientists find gas emissions from rocks may have contributed to ancient climate swings, m

An interdisciplinary team from Florida State University's Department of Earth, Ocean, and Atmospheric Science has uncovered new evidence about processes that may have contributed to ancient mass-extinction events, some of the most dramatic ecosystem reorganizations in Earth's his

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International team says science alone won't save coral reefs

Coral reefs are disappearing at an unprecedented rate as climate change, marine heat waves, pollution and coastal development threaten one of Earth's richest ecosystems. While scientific research has greatly advanced understanding of the crisis and ways to restore damaged reefs,

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Employees who feel overqualified view more work tasks as unreasonable

Employers typically seek out well-qualified candidates, but a new study by researchers in the Penn State School of Hospitality Management highlights the potential risks associated with workers who feel overqualified for their jobs. When employees saw themselves as overqualified,

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How AI and digital data shape our understanding of migration

When millions of people fled Ukraine following Russia's invasion in 2022, governments and humanitarian organizations used mobile phone and online platform data to track movements and identify where support was needed.

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Could geoengineering work to tamp down super El Niños?

With an anticipated "super" El Niño looming, a new study led by UC San Diego's Scripps Institution of Oceanography considers whether society could use a weather-altering technique as a tool to mitigate the floods, extreme heat and other events that El Niño would bring. The findin

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Manganese risk in groundwater affects 200 million people, study shows

Manganese is an essential trace element. However, in excessive concentrations, the metal can cause health problems. Two Eawag researchers have now produced a global risk map for manganese in groundwater. Half of the world's population uses groundwater as drinking water. According

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California wolves feed heavily on cattle and their presence causes significant stress amon

Two new studies examining gray wolves in California paint a complex picture of life on the state's ranching landscapes: Wolves eat cattle more than anything else, and the presence of the predators causes significant stress among livestock.

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Beavers thrive in river estuaries along North America's northwest coast

Beavers are widespread in estuaries and tidal wetlands in the Pacific Northwest of the United States, demonstrating that they are not restricted to rivers and streams, Gregory Hood at the Skagit River System Cooperative, U.S., reports July 8, 2026, in the journal PLOS One.

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The language of play: Hyenas use facial expressions and vocalizations to de-escalate

Scientists observed spotted hyenas (Crocuta crocuta) playing in the wild and found that their precise, sophisticated communication is on par with that of many primate species. Hyenas play and romp with one another at all stages of life. Although juveniles play more frequently tha

Admin Recifes 15/07/2026 2

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