Paper battery could take over for lithium-ion … in EVs and beyond

Flint believes it has the formula for the most sustainable battery the world has ever seen, capable of seamlessly replacing lithium for many applications. The chemistry of plant cellulose and other renewables promises a density over 220 Wh/kg.

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Pair of common viruses may trigger Alzheimer’s disease

A fascinating 2022 study found two common viruses may be working in tandem to trigger the earliest stages of Alzheimer’s disease. The findings were just the beginning of an ever-growing body of evidence implicating viral infections in dementia.

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The 2025 World Nature Photography Awards winners are absolute stunners

The winning entries for the 2025 World Nature Photography Awards are astonishingly beautiful compositions that tell dramatic tales and depict the incredible backdrops against which the lives of fascinating creatures on our planet play out.

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Tiny navigational multitool caches survival muscle on your keychain

If you're going to be carrying a compass anyway while out in the wilderness, why not carry one that performs multiple functions? That's the idea behind the Loki-Nav compass, which also packs a mirror, magnifying glass, and tinder-making wood file.

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Black Hornet 4 packs heavy recon capability in a pint-sized package

Teledyne FLIR Defense's Black Hornet 4 nano-drone has won the US Department of Defense's Blue UAS Refresh award. That may not mean much to the average person, but it does give us an excuse to talk about the palm-size infantry recon helicopter.

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Broccoli sprout compound can help fend off type 2 diabetes

An antioxidant found in broccoli sprouts in high concentrations can improve blood sugar levels in people with prediabetes, the precursor to type 2 diabetes, according to new research. The findings suggest a personalized treatment approach is needed.

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PAC-MANN diagnoses early-stage pancreatic cancer with 85% accuracy

Scientists at Oregon Health and Science University (OHSU) have developed a new blood test for pancreatic cancer, one of the most deadly forms of the disease. Tests showed up to 85% accuracy in detection, even in early stages.

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