Notícias · Recifes

Ancient DNA reveals the mysterious collapse of Europe's megalith builders

DNA from a 5,000-year-old French megalithic tomb reveals that the people buried before and after a population collapse were genetically unrelated, pointing to a major migration after a devastating crisis. The shift coincided with new social traditions and the disappearance of the

Admin Recifes 15/07/2026 1

Nature's puncture tools reveal shape trade-offs between piercing power and strength

Nature has invented countless types of pointy appendages, and scientists have long sought to explain what makes these structures so effective at puncturing other things. A new study models the key physical characteristics of puncturing tools to reflect their diversity in nature,

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X-pinch plasma achieves radial proton acceleration for crisp imaging

Plasma pinches: From pursuits of nuclear fusion to an attractive point source of accelerated protons for proton radiography.

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Why some glasses break suddenly while others deform smoothly

If a liquid is cooled slowly to its freezing point, it becomes a crystal in which the constituent particles are arranged in an ordered pattern. In contrast, when the liquid is cooled very quickly, the particles are unable to arrange themselves in an ordered fashion, and it become

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A new route to electrically controlled helimagnetic structures

Advanced magnetic memory and spintronic devices rely on the ability to control magnetic states using electricity. Today, such technologies work by manipulating relatively simple magnetic structures found in ferromagnets, where all the magnetic moments point the same way. However,

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Study questions growing international trade in critically endangered sand tiger sharks

In a new study led by University of Delaware researchers Aaron Carlisle and Ed Hale, researchers point to concerns in the international trade of sand tiger sharks, a critically endangered shark species globally, for display in aquariums. The work is published in the journal Front

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A 'smart ruler' could help swarms of space telescopes image exoplanets

We've talked plenty of times here about the infeasibility of launching a mirror big enough to directly image exoplanets using current rocket fairings—at least as long as we're not sending them 500-plus AU away to a gravitational lensing point. We've also talked at length about th

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This frog bacterium wiped out cancer tumors in mice with a single dose

A naturally occurring bacterium from amphibian intestines completely eliminated colorectal tumors in mice with a single treatment by both attacking cancer cells and activating the immune system. The findings point to a promising new type of cancer therapy that could one day work

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Genomic study of the Asian house shrew reveals a complex history of Indo-Pacific trade and

Sometimes mistaken for a strange-looking mouse with a long, pointed snout, the Asian house shrew is a small, furry animal known for its musky odor. It's usually found lurking near homes and farms, ports and cities, across Southeast Asia, East Africa, southern Japan and islands ac

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Moderate warming rewires one-third of microalga's genes, study finds

Researchers have demonstrated for the first time that the microalga Chlamydomonas reinhardtii alters the activity of about one-third of its protein-coding genes in response even to moderate temperature changes. The study, published in the journal The Plant Cell, points to far-rea

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New platform creates digital map for marine biobanks

A new digital platform developed under the leadership of CIIMAR is making Portugal's marine biodiversity more accessible by bringing together thousands of biological resources into a single access point. The Blue Biobanks Digital Research Platform aims to bridge scientific resear

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‘As if a hurricane had passed’: Puerto Ricans at breaking point after weeks without water

Shortages triggered by pipeline rupture drive up costs and deepen frustrations, as pressure grows on water utilityJonathan Collazo owns two restaurants in a bustling section of San Juan, which has been plagued by water outages, severely disrupting the daily lives of residents and

Admin Recifes 15/07/2026 1

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