Short sleep durations in midlife linked to dementia later in life

[Health & Wellbeing]( [Short sleep durations in midlife linked to dementia later in life]( [A long-term study found persistent sleep durations of less than six hours in middle age were linked with a 30-percent increased risk of developing dementia later in life]( A long-term observational study is reporting a link between short sleep durations in midlife and increased risk of dementia in old age. The research cannot offer evidence of a causal link but it is one of the longest studies to detect this association. [Read more]( Special Promotion for New Atlas Readers [The world's top language learning app is now 60% off]( If you haven't yet started your new year's resolution to learn a new language in 2021, there's still plenty of time — it's still early enough in the year. Take on a new language (or up to 14) with Babbel, now 60% off for a limited time. [Read more]( [Computers]( [Apple launches new iMacs, iPads, AirTag trackers and more]( [Colorful new iMacs led Apple's latest hardware refresh]( Apple's hardware teams have been busy, with new iMac all-in-one computers, iPad Pro tablets, and AirTag trackers among the products revealed at its Spring Loaded event today. The Apple TV 4K gets an upgrade too, and there's a new iPhone 12 color. [Read more]( [Outdoors]( [Grab-and-go overland stove kit cooks dinner for camping or survival]( [The Trayvax Ration is like a food-specific survival kit]( Founder of Trayvax wallets and Kimbo campers, Mark King, brings together EDC and overland adventure with the Trayvax Ration. Something of a vehicle-adventure mess kit, the Ration packs a single burner and space for food, water and utensils. [Read more]( [Medical]( ["Undruggable" cancer protein targeted by compound from shrub root]( [The shrub Jatropha curcas, from which the team isolated a new compound that can target an "undruggable" cancer protein]( Scientists at Purdue University and Scripps have identified a natural compound from a common shrub that could help fight cancer. The compound is the first found to inhibit a cancer protein that was previously considered “undruggable.” [Read more]( [Environment]( [Fresh recipes for low-carbon concrete take out $20-million XPrize]( [UCLA Carbon Built team member Gaurav Sant with samples of low-carbon concrete]( A six-year competition to capture CO2 emissions from operational power plants and convert them into useful products has drawn to a close, and produced dual winners with technologies that promise to reduce the environmental footprint of concrete. [Read more]( [Environment]( [Lovebug cat food is the latest to substitute insect protein for meat]( [Made with black soldier fly larvae, Lovebug reportedly provides a "healthy mix" of amino acids, good fats and micronutrients]( More and more, insect protein is being suggested as a more sustainable alternative to meat. Humans aren't the only omnivores, though, which is why a new insect-based cat food should soon be hitting the market – and it won't be the only one. [Read more]( [Biology]( [Army ants build safety scaffolds to catch their falling friends]( [Army ants forming a scaffold megastructure to cross a vertical surface]( Scientists have discovered a fascinating new example of impressive teamwork among army ants, in which the insects join their bodies together to form scaffolds that stop nest mates from tumbling down steep terrain. [Read more]( [Outdoors]( [Unique surfboard features a foot-turnable fin]( [Surfer/inventor Klaus Dilling, with one of his TunaFlex-equipped boards]( While pretty much all surfboards have fins that improve their directional stability, those fins are typically fixed in one position. Dilling SurfCraft boards are different, though, in that their fin pivots with the surfer's back foot. [Read more]( [Materials]( [Dash of nanocarbon black makes conductive, heat-generating concrete]( [Running a current through the conductive concrete warms it up]( Concrete is pretty useful, which is why it’s the most widely used construction material in the world. Now, engineers have made it even more useful, creating concrete that can conduct electricity and produce heat, by mixing in nanocarbon black. [Read more]( [Aircraft]( [Airbus pioneers a superconducting powertrain cooled by liquid hydrogen]( [Airbus is working on a number of hydrogen-fueled clean aircraft, including this blended wing concept]( Airbus is working on a number of hydrogen-powered aircraft, and it's just found a new angle on cryogenic liquid H2 fuel: using it to supercool the powertrain down to superconducting temperatures, possibly unlocking huge weight and efficiency savings. [Read more]( [Materials]( [Metal waste turned into versatile aerogels in eco-friendly way]( [Some samples of the metal-based aerogel created by the National University of Singapore team]( Previously, scientists at the National University of Singapore have produced aerogels made from scrapped car tires and pineapple leaves, and now they're showing off a new version that is produced from upcycled metal waste. [Read more]( [Home Entertainment]( [Epson puts presentations on the big screen with latest business projectors]( [The three new members of the EX series are designed for professionals at the office or working remotely]( Epson has expanded its EX series business projector lineup with three new models that have been optimized for hybrid and corporate workspaces. And home workers can also use them for big-screen streaming or gaming. [Read more]( [Science]( [Toilet flushing can create infectious aerosols even when lid is closed]( [A study has tracked aerosols generated by flushing toilets in public restrooms]( An experimental study has quantified the volume of aerosol particles generated by flushing toilets in a public restroom. The real-world research suggests even with lids closed flushing toilets can increase levels of ambient aerosol particles. [Read more]( [Science]( [Mass grave suggests tyrannosaurs were pack hunters]( [A skull of Teraphoneus from a Utah dig site that contained the bones of at least four individual tyrannosaurs]( It’s easy to assume tyrannosaurs didn’t need much help bringing down prey. But contrary to the popular image of these predators being lone hunters, new analysis of a mass grave site adds to evidence that tyrannosaurs may have lived and hunted in packs. [Read more]( [Biology]( [Scientists find a reason rabbits aren't as big as a horse]( [Funny baby rabbits in grass]( If you've ever wondered why the rabbits in your garden aren't as big as horses, wonder no more. According to a team of scientists led by Kyoto University, competition with larger, hoofed herbivores puts a cap on bunny size. [Read more]( [Environment]( [UK sets world's toughest climate target for 2035]( [The UK has set a stunning new emissions reduction target for 2035, pledging to cut emissions by 78 percent on the way to net zero by 2050]( The UK government has announced a legally binding commitment to hit a 78 percent emissions reduction target by 2035, as compared to 1990 levels, on the way to net zero emissions by 2050. For the first time, this target includes aviation and shipping. [Read more]( [Photography]( [Polaroid launches world's smallest instant analog camera]( [Polaroid says that the Go's internal components are "arranged like a three-dimensional Tetris"]( Polaroid instant cameras of old were big, blocky snappers with one-press simplicity and the ability to throw out self-developing photos. The latest addition to the family follows the same design aesthetic, but the Go is a fraction of the size. [Read more]( [Physics]( [Dark matter: What is it, how do we know it's there and will we find it?]( [Dark matter is believed to be responsible for the large-scale structure of the universe we see today]( There’s invisible, undetectable stuff all around us, and we call it dark matter. There’s plenty of evidence that this stuff is very real, but what exactly is dark matter? How do we know it’s there? And how are scientists looking for it? [Read more]( You are receiving this email because you signed up for our daily newsletter at [newatlas.com]( (or [gizmag.com]( before August 2016). [Update profile]( | [Unsubscribe]( Copyright New Atlas © 2021