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We know that a good night's sleep is important for our health for all kinds of reasons, but there's a new benefit to add to the list: avoiding dehydration. A new study suggests that anything under six hours of slumber a night could leave our bodies less than adequately hydrated. Researchers found that people who slept six hours a night had significantly more concentrated urine and a 16-59 percent higher chance of being dehydrated, compared with adults who were getting a regular eight hours of shut-eye. And according to the team behind the study, feeling less than 100 percent when you wake up after insufficient sleep might be down to dehydration too, not jus…

killerhouses: If our concrete floor cracks, we’re doing this to it! It’s concrete with liquid gold to fill the cracks!

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Turns out, YouTube is used for more than just watching Zion Williamson mixtapes. A new study from Pew digs into the habits and motivations of YouTube users, with fascinating conclusions. Here are some takeaways... DIY: 51% of U.S. adults who use YouTube say the videos are "very important" for figuring out how to do things they've never done before (like pouring beer the right way). The recommendation algorithm: 81% of YouTube users watch videos that YouTube's mysterious algorithm recommends to them. So, Pew thought it was worthwhile to conduct over 170,000 "random walks" through the YouTube universe to see if it could crack the code. It found that You…

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Medicare’s finances were downgraded in a new report from the programÂ’s trustees Tuesday, while the projection for Social SecurityÂ’s stayed the same as last year. MedicareÂ’s hospital insurance fund will be depleted in 2026, said the trustees who oversee the benefit program in an annual report. That is three years earlier than projected last year. This year, like last year, Social SecurityÂ’s trustees said the programÂ’s two trust funds would be depleted in 2034. For the first time since 1982, Social Security has to dip into the trust fund to pay for the program this year. It should be stressed that the reports donÂ’t indicate that benefits dis…

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Sam Ballard was left in a state of paralysis after he swallowed a garden slug for a dare. He died, aged 28, from rat lungworm in Australia. https://news.sky.com/story/australian-man-sam-ballard-who-was-left-paralysed-after-eating-a-slug-dies-aged-28-11545373?dcmp=snt-sf-twitter

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This thread has become a catch-all. so it is as good a place as any to let @JW Insider know that his old acquaintance John Taylor Gatto recently died. I followed him on Twitter, and he occasionally registered relevant posts of mine with a like. Within a week, his site was rechristened @gattoproject. He had some dreams of overturning the prevailing education model. Maybe the last post he liked was when someone made a reference to him as twice named NYS Teacher of the Year, and I tweeted: "Isn't he the one who later turned on his rewarders by stating that 'yes, he had been a great teacher, but it was only by bucking their system at every turn?" He made his mark at a t…

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The technique is being called "a vision of eye surgery in the future." The technique is being called "a vision of eye surgery in the future." air009/Shutterstock In a medical first, surgeons have used a robot to operate inside the human eye, greatly improving the accuracy of a delicate surgery to remove fine membrane growth on the retina. Such growth distorts vision and, if left unchecked, can lead to blindness in the affected eye. Currently, doctors perform this common eye surgery without robots. But given the delicate nature of the retina and the narrowness of the opening in which to operate, even highly skilled surgeons can cut too deeply and cau…

IMAGE: THIS IS AN AERIAL VIEW OF HYDRAULIC FRACTURING OPERATIONS ACROSS THE JONAH FIELD, A LARGE NATURAL GAS FIELD IN WYOMING. CREDIT: ECOFLIGHT In addition to producing oil and gas, the energy industry produces a lot of water, about 10 barrels of water per barrel of oil on average. New research led by The University of Texas at Austin has found that where the produced water is stored underground influences the risk of induced earthquakes. Beyond supporting the link between water disposal and induced seismicity, the research also describes factors that can help reduce earthquake risk. "If we want to manage seismicity, we really need to understan…

The day after Halloween, something scary may still lurk inside your showerhead. Researchers at CIRES have identified Mycobacterium as the most abundant genus of bacteria growing in the slimy "biofilm" that lines the inside of residential showerheads--and some of those bacteria can cause lung disease. In a new study, they report that mycobacteria are more prevalent in the United States than in Europe, thrive more in municipal tap water than in well water, and are especially common in geographical "hot spots" where certain types of lung disease caused by mycobacteria are also common. It's important to understand routes of mycobacterial exposure, especially in the …

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In the center of this image, taken with the NASA/ESA Hubble Space Telescope, is the galaxy cluster SDSS J1038+4849 — and it seems to be smiling. You can make out its two orange eyes and white button nose. In the case of this “happy face�, the two eyes are very bright galaxies and the misleading smile lines are actually arcs caused by an effect known as strong gravitational lensing. Read more: https://www.nasa.gov/content/hubble-sees-a-smiling-lens

but.. no... seriously.... anyone have any good theories?