Fully foldable solar cell bends in half without breaking

Picture solar panels, and you’re most likely picturing a solid square slab. But the tech is becoming more flexible, and now engineers at Pusan National University in Korea have developed prototype solar cells that are fully foldable.

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Oxygen-sensing, color-changing bandage could prevent chronic wounds

Chronic skin wounds such as pressure ulcers can become very serious if left untreated, potentially even leading to amputations. A new "smart" bandage could help, by changing color before such wounds occur in the first place.

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Cold gas cloud in our galaxy could be hiding universe’s missing matter

By studying the twinkling of stars, astronomers in Australia have discovered a huge cloud of cold gas in our galaxy, not far from Earth. This invisible mass could provide new hints about where to find the universe’s missing matter.

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Regular oral doses of ketamine significantly reduce suicidal thoughts

The notion of using ketamine as an anti-depressant is gathering steam, and a new study has shown how this might work in practice, with chronic suicidality sufferers offered rapid relief through oral administration of the drug in clinical settings.

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50,000-year-old poop reveals Neanderthals’ gut microbiomes

Scientists have studied 50,000-year-old Neanderthal poop, and analyzed the DNA of microbes to determine their gut microbiome. Many species are still present in modern humans, revealing the "old friend" bacteria that may be most crucial to our health.

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Life-saving 3D-printed airway stent biodegrades when its job is done

For patients with an injured or compromised trachea, the insertion of a stent is often required in order to keep their airway open. A new type of airway stent should remain in place better than others, and will biodegrade when no longer needed.

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First-of-a-kind fecal transplants assist in treatment of melanomas

In a promising new study, scientists have demonstrated how fecal transplants can alter the microbiome to make advanced melanoma sufferers, who have not responded to immunotherapy in the past, more responsive to these treatments.

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Injectable hydrogel uses “molecular Velcro” structure to resist body heat

Stanford scientists have developed a new hydrogel with a Velcro-like molecular structure, letting it last longer at body temperature. The hope is that it could be injected into a patient to deliver drugs over weeks or months as it slowly dissolves.

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Experimental “blowhole” wave energy generator goes online down under

A 200-kilowatt demonstration version of Wave Swell Energy's fascinating "blowhole" power generator has been deployed at Grassy Harbour on King Island, off the Australian island state of Tasmania, and will be connected to the grid in the coming months.

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Hybrid supercapacitor offers NiMH energy density, charges much faster

Researchers at the Queensland University of Technology have added another hybrid supercapacitor design to the mix, promising the near-instant charge and discharge of a supercap with vastly improved energy storage on par with NiMH batteries.

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