Notícias · Recifes

Scientists create optical skyrmions using a two-century-old light phenomenon

Nanyang Technological University, Singapore (NTU Singapore) scientists have used a classic optical phenomenon known as the Poisson spot to create stable patterns of light called optical skyrmions, which are tiny, swirling configurations in the properties of light—akin to the spik

Admin Recifes 15/07/2026 6

Hidden dark force may slow cosmic structure growth, not speed it up

Dark matter is often portrayed as a cosmic loner, interacting with itself and the rest of the universe only through gravity. But what if dark matter particles also exert a hidden force on one another?

Admin Recifes 15/07/2026 5

Boi gordo recua em algumas praças e negociações seguem travadas

Foto: Semagro/MSCepea aponta baixa liquidez, resistência dos pecuaristas aos preços ofertados e enfraquecimento da demanda no mercado interno O post Boi gordo recua em algumas praças e negociações seguem travadas apareceu primeiro em Canal Rural.

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Hidden bird species discovered in Japan after DNA reveals a stunning secret

A bird long thought to be a single rare species in Japan has turned out to be two. Scientists discovered that the elusive Ijima’s Leaf Warbler and a newly identified Tokara Leaf Warbler look almost identical, but their DNA and songs reveal they are distinct species. The finding m

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Nem todo negócio é aliança: agro vende 80% da soja à China, mas confia mais nos EUA, apont

Pìxabay/arte Canal RuralPesquisa inédita mostra que a forte dependência comercial dos chineses não se traduz em alinhamento político na fronteira agrícola brasileira O post Nem todo negócio é aliança: agro vende 80% da soja à China, mas confia mais nos EUA, aponta FGV RI apareceu

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From yoghurt to luxury sails: how to shade your home from supercharged UK heatwaves

As hot weather becomes more common, companies and homeowners are coming up with innovative ways to keep properties coolWhen graphic designer Marc Alabaster had a new set of glass doors installed at his West Sussex home eight years ago, he soon realised how they magnified the heat

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The tea in your kombucha changes more than just the taste

Scientists discovered that kombucha’s flavor, chemistry, and antioxidant activity vary dramatically depending on the tea used to make it. Green and oolong tea kombuchas emerged as the most biologically active, while fermentation transformed each tea into a distinctly different be

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Airflow mystery solved: Heavy rain reshaped airflow through miles of underground tunnels

Successfully operating in a deep underground space requires mitigating two factors: air and water. O recorte ajuda a contextualizar a pauta dentro de Agro.

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A rare interstellar visitor triggered a SETI search for alien technology

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the rapid-response observations helped confirm the object's natural origin and showcased how futu

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Amazon fish reveal a synchronized survival tactic that could transfer to drone swarms

Some fish swim in synchrony. Others, it turns out, breathe in synchrony. This is true for arapaimas, an obligate air-breathing species living in the Amazon. A new study in Communications Biology, led by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) in col

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White barn owls may use moonlight to startle prey

White barn owls are effective killing machines. They fly silently through the night air and swoop down on unsuspecting prey with their sharp talons. But they have something you would think goes against being a stealth predator: their white feathers. And perhaps this visual giveaw

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Australia's echidnas reveal a prickly scientific puzzle

An echidna in Tasmania looks very different from one in Western Australia. But the differences run much deeper than appearance. A new review published in Australian Zoologist by University of Tasmania zoologist Stewart Nicol, an associate professor from the School of Natural Scie

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