Notícias · Recifes

Audiência nos EUA discute tarifas de 25% a produtos brasileiros; entenda

Imagem gerada por IA para o Canal RuralSessão deve se estender até esta terça-feira (7); ao menos 40 entidades e empresas brasileiras e norte-americanas se inscreveram para participar O post Audiência nos EUA discute tarifas de 25% a produtos brasileiros; entenda apareceu primeir

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Modeling reveals Sydney's 1789 smallpox outbreak killed as many as 220,000 indigenous Aust

Groundbreaking modeling has revealed that as many as 220,000 Indigenous Australians died in a devastating 1789 smallpox outbreak that originated in Sydney, tracing its origins to the First Fleet. Soon after British ships arrived, smallpox swept through First Nations communities i

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Newly identified marine bacterial enzyme opens new route to building bioactive compound li

Many important medicines and agricultural compounds have origins in natural products made by microorganisms. One such compound is prodigiosin, a vivid red pigment produced by certain bacteria. Beyond its color, prodigiosin and related compounds known as prodiginines have attracte

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Isotopic signatures link hot spring magmatic water to the subducting Pacific Plate

Water flowing from hot springs near volcanoes often contains a mixture of meteoric water that has percolated underground and a deeper component known as magmatic water. Researchers at the University of Tsukuba used numerical simulations and isotopic data to show that magmatic wat

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Dynamic population breeding improves turquoise killifish husbandry

Originally from southeastern Africa, the turquoise killifish (Nothobranchius furzeri) lives in seasonal bodies of water that form during the rainy season and disappear again during the dry season. The fish is highly adapted to this seasonal cycle: It completes its entire life cyc

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Young giant gas planet Beta Pic B refuses to reveal its origin

The young planetary system of the 23-million-year-old star Beta Pictoris (short: Beta Pic) is regarded as an iconic circumstellar dust disk, which hosts at least three giant gas planets. Discovered in 2008 by direct imaging, Beta Pic b is the most massive of those planets, measur

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Falling water levels trigger a surge in methane emissions from Mediterranean reservoirs

Continental aquatic ecosystems, such as lakes and reservoirs, occupy a small proportion of Earth's surface but play a significant role in the global carbon cycle. It is estimated that more than 40% of global methane emissions originate from these ecosystems. However, the true sca

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China lands reusable rocket for first time, state media says

It follows similar landings of reusable rockets by US-owned companies SpaceX and Blue Origin. O recorte ajuda a contextualizar a pauta dentro de Agro.

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Europe's most active volcano may have a secret origin

Mount Etna has long puzzled geologists because it doesn't fit any of the three classic ways volcanoes are thought to form. A new study suggests it may instead be fueled by ancient pockets of magma that are pushed upward through cracks created by shifting tectonic plates. If confi

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Spider-like creatures help uncover the surprising origins of fatherhood

Citizen scientists have helped researchers solve a long-standing mystery about how parental care evolved in harvestmen. Using photos and observations from iNaturalist, scientists more than doubled the known cases of egg-guarding behavior and discovered that maternal and paternal

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Firefly brightness holds a cautionary tale about accepting older measurements

For over a century, the accepted value for a firefly's brightness has mostly stood, tracing its origins to experiments carried out in 1912. Through rigorous new analysis published in the American Journal of Physics, David Silver of Remiza AI in New York has discovered that this v

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Possível cobrança de 20% no Estreito de Ormuz deve acelerar compras de fertilizantes

Imagem gerada com IA a partir de mapa original Donald Trump disse que pretende assumir controle da rota e fazer cobranças sobre cargas; analista da StoneX traça impacto direto nos adubos O post Possível cobrança de 20% no Estreito de Ormuz deve acelerar compras de fertilizantes a

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