First-of-a-kind sweat sensor tracks stress levels around the clock

Scientists have developed a patch designed to continuously monitor stress levels over the course of the day, which they hope will make it easier to spot signs of stress-related disease caused by disruptions to natural hormonal cycles.

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Suzuki’s outrageous Hayabusa gets a ground-up third-gen overhaul

The Suzuki GSX-1300R Hayabusa was nothing short of shocking on debut in 1999, instantly becoming the fastest production bike of the century and an icon of speed and function-focused design. And 22 years later, we finally get a ground-up overhaul.

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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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2020 Travel Photographer of the Year awards: All the winners and more

2020 was the worst year for travel in decades, but if this selection of images from the 2020 Travel Photographer of the Year awards is any indication, it's been an extraordinary year for visual creativity. Enjoy this vicarious feast of a gallery.

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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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AI tech reproduces realistic music from silent piano-playing videos

It's easy to imagine a program that could visually identify which pieces of music were being performed in silent piano-playing videos. A new AI system goes further, however, by reproducing the sound of that piano-playing in a realistic fashion.

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