Waste coffee grounds make concrete 30% stronger

Researchers have made concrete 30% stronger by replacing a percentage of sand with spent coffee grounds, an organic waste produced in huge amounts that usually ends up in landfill. The method offers a greener approach to construction.

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Power plant condenser coating could cut 460 million tons of CO2 per year

Weaning the world off fossil fuels will take time, so finding ways to make energy generation more efficient is still important. A new coating for steam condenser pipes could, if rolled out widely, add more than a Russia’s worth of extra power per year.

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Plant-based filter removes up to 99.9% of microplastics from water

Researchers may have found an effective, green way to remove microplastics from our water using readily available plant materials. Their device was found to capture up to 99.9% of a wide variety of microplastics known to pose a health risk to humans.

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Landmark transplanted pig kidney still functioning after a month

In another encouraging step toward relieving transplant organ shortages, surgeons at NYU Langone Health have kept a genetically engineered pig kidney alive and fully functioning inside a brain-dead patient for over a month for the first time.

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Real-life inspiration for Dracula cried tears of blood, letters suggest

Researchers have examined three letters penned by Vlad III, the ruthless real-life Romanian prince considered to be the inspiration for the fictional Dracula, and found evidence of his overall health, including that he may have cried tears of blood.

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3-million-mile-high tsunamis crash down on “heartbreak” star

The cosmos is full of surprises. Now astronomers have discovered a “heartbreak” star system where tidal waves, three times taller than the Sun, rise and crash on the surface of a giant star thanks to the motions of a smaller companion star.

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Even new antibiotics losing effectiveness as bacteria quickly adapt

A new study has uncovered the mechanism by which common - and problematic - bacteria can develop resistance to a relatively new antibiotic. Providing a better understanding of bacterial resistance, the findings may inform how the drug is used.

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“Demon particle” accidentally discovered, solving 67-year mystery

While studying a material that could help unlock the secrets of superconductors, scientists have accidentally discovered a “demon” particle that was first theorized almost 70 years ago, but had never been experimentally confirmed.

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Targeting mosquito hearing to reduce disease transmission

Researchers have identified the molecular pathway that allows male mosquitoes to hear females, which is crucial to their reproduction. It could lead to insecticides that exploit this pathway to control mosquito populations and reduce disease transmission.

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Staying focused is not down to willpower, but some tiny neurons

While completing an important task with other distraction such as TV can seem like it’s a battle of willpower, scientists have discovered how it's not you but your brain that keeps you on the right track. Or at least it tries to.

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