Notícias · Recifes

Hidden in plain sight: Caribbean reef fish nestle in tube worms, revealing previously undo

On Caribbean coral reefs, an unlikely partnership has gone largely unnoticed: Tiny fish regularly nestle within the feathery structures of tube worms. While these sensitive worms typically snap shut at the slightest disturbance, they show a remarkable tolerance for their tiny gue

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Floating-electron catalyst withstands week in air while making ammonia under milder condit

A surface electrene, BaSiN2:O, developed by researchers at Science Tokyo enables efficient ammonia synthesis under mild conditions while overcoming the long-standing air instability of electrene materials. Synthesized by doping barium silicon nitride with oxygen, the material for

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Can humans hibernate their way to Mars?

Scientists are trying to recreate the biology that lets animals survive months without food or water, in hopes of making deep-space travel possibleLong-term space travel is bad for your health. Very bad. Being in space exposes humans to dangerously high levels of radiation; exten

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Frame-dragging observations validate Einstein yet again

More than a century after Albert Einstein first transformed our understanding of gravity, his general theory of relativity continues to withstand ever more demanding experimental tests. Now, an international team led by Ignazio Ciufolini at the Chinese Academy of Sciences has car

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New mechanism shows how plants rapidly adapt to intense sunlight

Plants do not wait hours to respond to intense sunlight—they react within minutes. Researchers at Bielefeld University and the Australian National University have discovered a new signaling pathway that enables plants to directly adjust their protein production before genes in th

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Hidden muscle machinery reveals 50 new gene subfamilies across vertebrates

Within every muscle of every living species with a backbone, a protein called myosin tugs on a partner protein to generate a muscle contraction. This function, discovered in mammals a century ago, has been presumed by scientists to operate the same way among birds, reptiles, amph

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Chewing bubble gum after beetroot may help lower blood pressure

A new study found that chewing sugary gum after eating nitrate-rich vegetables or drinking beetroot juice helped the body produce more beneficial nitrite, leading to a temporary drop in blood pressure. Researchers hope the discovery will lead to healthier ways to enhance the card

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Plantwatch: Beware a tasty mushroom with a powerful hallucinogen

Anyone eating Lanmaoa asiatica could have visions for days of tiny people running and jumping aroundLanmaoa asiatica is a bolete mushroom, prized for its delicious taste and hugely popular in Yunnan province, China, where it is found growing in a symbiotic relationship with pine

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Tecnologia

Play Store terá concorrência? Entenda a nova decisão do Google

Google libera lojas de apps de terceiros no Android nos EUA. Entenda como a mudança na Play Store afeta usuários e desenvolvedores O post Play Store terá concorrência? Entenda a nova decisão do Google apareceu primeiro em Olhar Digital.

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Lebanon, Israel hold US-brokered talks in Rome

Lebanon and Israel resumed talks on Tuesday in the Italian capital, with Beirut hoping for progress towards securing an Israeli withdrawal from south Lebanon under a US-brokered agreement, although expectations for swift progress were low.

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Can everyone live a ‘good life’ without destroying the planet?

Cutting back on our use of energy and materials so that we live within Earth’s means can seem like an insurmountable challenge. But after a decade grappling with these problems, a historic Portuguese city is beginning to walk this tightrope

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Dicas

I investigated Palantir’s foothold in the British state – and what I found should worry us all | Peter Geoghegan

Paid-for political access and threadbare regulations have helped to embed the US tech firm in the NHS – and beyond. But there is a way to free ourselvesAndy Burnham faces a lot of big decisions. But one of the incoming prime minister’s biggest early tests is what he does about the world’s “scariest company” – Palantir. The US defence and surveillance tech behemoth has a swathe of British public contracts, including, most controversially, a £330m deal with the NHS. It’s pretty clear wha

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