Notícias · Recifes

Peering into materials down to the nanoscale in the COCOON lab

A new Tufts University imaging facility is doing something that most microscopy centers in the world cannot: allowing scientists to examine a butterfly wing, a living tissue or a microchip and reveal its physical structure, molecular chemistry and elemental composition across eve

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Astronomers reveal how clouds shape the hidden interiors of the galaxy's most common plane

Sub-Neptunes are the most common type of planet in our galaxy. Bigger than Earth but smaller than Neptune, these worlds remain deeply mysterious because scientists still do not know what they are made of. What astronomers really want to figure out is their interior composition. T

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Tiny mountain lakes pose big, overlooked flood risks, new study warns

A new international study involving scientists from the University of Aberdeen has revealed a critical blind spot in global climate risk assessments—the growing danger posed by small alpine lakes formed by glacier retreat and permafrost thaw. Published in Nature Sustainability, t

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NASA space telescope maps magnetic fields of 'Lighthouse' pulsar

For the first time, scientists have used NASA's IXPE (Imaging X-ray Polarimetry Explorer) to directly measure the magnetic fields of PSR J1101−6101, a pulsar located within what is often referred to as the Lighthouse Nebula. The results provide new insight into the structure of s

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Research identifies farming practices that improve irrigation efficiency

Mississippi State scientists are building on two decades of irrigation research to identify production practices that help growers save water while improving crop yields.

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New 3D COF structure could help tune porous materials for batteries and cleanup

A research team synthesized and determined the structure of a borate-linked 3D crystalline covalent organic framework, TCTP-COF, via electron diffraction for the first time. These findings will help scientists determine the structure-property relationships for other 3D COFs and f

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Heavy marijuana smoking may increase cancer risk, researchers warn

Heavy marijuana smoking may raise the risk of lung cancer and several head and neck cancers, according to growing research, but many important questions remain unanswered. Scientists are still trying to determine how much marijuana use is enough to significantly increase cancer r

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Rare fossil goose rewrites the story of New Zealand's giant birds

Scientists have discovered a previously unknown fossil goose that challenges a decades-old theory about the evolution of New Zealand's birds. The find suggests the country's giant flightless geese evolved from much more recent arrivals, revealing a far more dynamic evolutionary h

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‘Spermageddon’: is the world facing a male reproductive crisis?

Reports of falling sperm counts and testosterone levels have fuelled fears over chemicals, pollution and modern lifestyles. But how much do scientists agree on what is affecting male fertility?The world is unwittingly walking into a male reproductive crisis, scientists warned thi

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Intricate molecular mechanisms help bacteria evade immune detection

Northwestern Medicine scientists have identified a novel mechanism used by the bacteria responsible for gonorrhea to evade immune detection and achieve widespread infection, according to a recent study published in the Proceedings of the National Academy of Sciences. Neisseria go

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Scientists warn invasive Asian mantises are threatening Europe's wildlife

Two striking Asian praying mantis species that have rapidly spread across Europe have now been officially classified as invasive, raising new concerns about their impact on native wildlife. Boosted by climate change and urban environments, these fast-breeding predators are expand

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World's largest whale graveyard discovered by Chinese sub

The world's largest whale graveyard has been discovered at the bottom of the Indian Ocean by Chinese scientists, who found that the vast expanse of both new and ancient carcasses supports huge communities of deep-sea life.

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