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Ancient stellar flyby may still be steering long-period comets today

The Gaia mission has allowed researchers to understand the motions of stars like never before, even revealing possible interactions between our solar system and nearby stars. Planetary Science Institute Senior Scientist Nathan Kaib and collaborator Sean Raymond (Universite de Bor

Admin Recifes 15/07/2026 2

Hot stuff: players and fans have to adjust to sport’s new normal and sweat it out | Emma J

Climate crisis is on show every day when sportspeople do their thing and the rest of us suffer on the sofa or in the standsNothing sharpens the distinction between professional athletes and the rest of us like a week of truly hot weather. While we’re apologetically crying off lon

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Pacific plate's rotation gave Alaska's Aleutian Islands a later-life lift

New research by Brown University geologists confirms that the Aleutian Islands, the archipelago stretching from Alaska to Russia's Kamchatka Peninsula, experienced a massive geological uplift between 5 million and 7 million years ago. The researchers conclude that the uplift—a ri

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Beetle-like borings in 70-million-year-old titanosaur fossils reshape Lo Hueco fossil stor

Traces or perforations caused by living organisms after an animal's death can be found on various dinosaur bone remains. These perforations, known as bioerosion structures, provide information that helps us understand relationships between living organisms in the past, reconstruc

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The bond between humans and dogs remains remarkably consistent across societies, cross-cul

A new study by an international research team led by Friedrich Schiller University Jena and the Max Planck Institute for Evolutionary Anthropology (Leipzig) has revealed striking similarities in the way humans and dogs interact in very different societies. The research is publish

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New research identifies types of dishonesty that occur in a relationship—and their consequ

From "harmless" white lies to infidelity, dishonesty in romantic relationships is a complex phenomenon that takes on many forms. New research from the University of Copenhagen shows that while dishonesty between partners often fuels distrust and resentment, it may also, in some c

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Oxygen atoms in 15‑million‑year‑old giant eggshells reveal how plants reacted to a hotter

Some periods in Earth's history are so different from our own that they may as well belong to another planet. Many people are interested in the age of dinosaurs or the Ice Ages, but it is an intermediate world, the Miocene Epoch—a sort of "in-between" world, geologically speaking

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Better unemployment welfare could curb rise of populism

The study, by researchers Chase Foster (King's College London) and Jeffry Frieden (Columbia University), analyzed 134 national elections in 16 countries between 1990 and 2021, alongside data from 11 waves of the European Social Survey. The research is published in the journal Eur

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The sun's outbursts may briefly weaken rain and snow events across North America

For decades, scientists have searched for a clear link between the sun's explosive storms and the weather that occurs on Earth. A breakthrough study from the University of New Hampshire reveals that in the hours and days following a solar storm, parts of North America can see sha

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Why nanoscale droplets don't coalesce and microscale droplets do

Olive oil and water do not naturally mix. Water molecules are polar, having a net electric dipole moment due to the bend angle of about 104.5° between the two oxygen-hydrogen bonds. Olive oil is nonpolar due to its long hydrocarbon chains, which makes it hydrophobic and insoluble

Admin Recifes 15/07/2026 2

Solar storms leave their mark on cosmic rays that reach Earth

A new study has revealed an unexpected link between solar storms and the flux of high-energy cosmic rays arriving at Earth. The findings, made using one of the world's largest cosmic ray detectors, could open up a new way to probe the magnetic structures inside solar storms—and p

Admin Recifes 15/07/2026 2

Venezuela earthquakes add tragic new layer to the country's humanitarian crisis

Venezuela has a well-documented vulnerability to earthquakes. The country sits on the boundary between the Caribbean and South American tectonic plates, resulting in routine tremors and causing historical earthquake disasters. But the experience of a "doublet," a pair of 7.2- and

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