Notícias · Recifes

X-ray snapshots reveal how viral shells change shape as they dry out

When viruses travel through the air in tiny droplets, they can quickly start to dry out. Yet many viruses remain infectious after rehydration—something that is still not fully understood. Now, an international team of researchers has directly observed at the European XFEL how the

Admin Recifes 15/07/2026 2

Organic carbon detected in Bright Angel rock formation on Mars

In September 2025, NASA announced that its Perseverance rover had discovered a potential biosignature, which is a substance or structure that might have a biological origin. A new paper, published in Science Advances, unambiguously confirms the detection of organic carbon, the bu

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How longer exciton lifetimes could ease efficiency trade-off in organic solar cells

Although the efficiency of organic solar cells has now risen to more than 20%, there are physical limits that make it difficult to further increase their performance. A research team from Linköping University in Sweden, the University of Potsdam, the Paul-Drude-Institut in Berlin

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Mathematical modeling helps advance use of magnetic particles in targeted drug-delivery sy

A Florida State University computational scientist is paving the way for future medical breakthroughs by developing mathematical models and simulations to predict the behavior of a unique drug-delivery method, which aims to deploy treatments directly to targeted sites in the body

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Drifting tuna gear creates risks for wildlife in protected marine areas

An international study co-authored by a University of Hawaiʻi at Mānoa researcher has found that drifting devices used by the global tuna fishing industry are entering marine protected areas around the world, creating potential risks for wildlife and sensitive ocean habitats.

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'Fingerprints' of black hole's event horizon detected for first time

Scientists have detected the "fingerprints" of a black hole's event horizon—the boundary from which nothing can escape—for the first time, according to research published Wednesday.

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'Super-puff' planets lighter than candy floss discovered by international team

An international collaboration has discovered two of the lowest-density giant planets ever detected: rare "super-puff" planets with densities lower than candy floss. The study—led by the University of Oxford, in collaboration with Université Côte d'Azur/Observatoire de la Côte d'

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Pesticide widespread in blood of French Indies adults: Study

Eight in 10 adults in the French West Indies have a toxic pesticide in their blood decades after banana growers stopped using it, a study said Wednesday.

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Did gravitational tides cause Earth's extinctions?

Life on Earth took a long evolutionary journey that eventually created us, the purportedly intelligent species that dominates the planet. But there was no grand plan or design, only happenstance, nature and luck. Life on Earth suffered multiple extinctions, but got up, dusted its

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Laser experiments push helium to record shock pressures

Deep inside gas giants like Jupiter and Saturn, hydrogen and helium coexist under pressures millions of times greater than Earth's atmosphere. Under those conditions, helium may separate from hydrogen and influence a planet's internal heat flow, structure and magnetic field. Unde

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Shorter front-leg strides can be an early warning sign of dementia in senior dogs

Scientists have shown that the stride length of the front legs (but not the hind legs) of senior and geriatric dogs decreases as their cognitive performance worsens. In contrast, chronological age itself was a poor predictor of stride length. A similar reduction in step length ha

Admin Recifes 15/07/2026 2

A NASA satellite caught a giant tsunami doing something no one expected

A Pacific-wide tsunami triggered by a magnitude 8.8 Kamchatka earthquake gave scientists their first detailed satellite view of a major tsunami in motion. The observations revealed unexpected wave behavior and helped uncover a larger earthquake rupture than earlier models predict

Admin Recifes 15/07/2026 3

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