Long COVID patients show abnormal immune activity 8 months post infection

Health & Wellbeing [Long COVID patients show abnormal immune activity 8 months post infection]( [New research detected elevated immune biomarkers in long COVID patients eight months after initial infection]( A study has reported that immune dysregulation persists in long COVID patients up to eight months after initial infection. The research found long COVID is characterized by elevated levels of specific immune biomarkers. [Read more]( Sponsored Content [Versatile 2,000W portable power station takes camping to a new level]( [The powerful BLUETTI AC200P can run up to 13 devices simultaneously]( Looking for a reliable, versatile, and portable power source that can keep your campsite pumping for days? The BLUETTI AC200P portable power station ticks all those boxes, and adds a few you probably haven't even thought of. [Read more]( Automotive [Winnebago prepares to show America's first all-electric motorhome]( [Winnebago's concept appears to be an electric Ford Transit, but the specific electric Transit and the form it takes as a motorhome remain to be seen]( Winnebago has announced plans to show an all-electric camper in just a few days. The Winnebago e-motorhome concept will debut at the 2022 Florida RV SuperShow and could lead to the first production electric motorhome in the US. [Read more]( Energy [Proof of concept verifies physics that could enable quantum batteries]( [Researchers have demonstrated a new proof-of-concept quantum battery]( For quantum batteries, the bigger the battery, the faster it charges. For the first time, team of scientists has now demonstrated the quantum mechanical principle of superabsorption that underpins quantum batteries in a proof-of-concept device. [Read more]( Aircraft [Bellwether releases profoundly uninspiring eVTOL test-flight footage]( [Bellwether's half-scale eVTOL prototype takes flight]( Bellwether has begun flight-testing its impossibly sexy Volar eVTOL flying supercar design at half scale, but the video appears to confirm our fears: all style with little substance, it appears to be a wobbly quadcopter drone with a flashy bodykit. [Read more]( Energy [Kevlar fibers fortify lithium-sulfur battery with 5x capacity of Li-ion]( [The team's novel membrane can be seen blocking the passage of lithium polysulfides]( With the capacity to store up to five times the energy of lithium-ion solutions, researchers have a keen interest in lithium-sulfur batteries, and a team at the University of Michigan has taken a step toward realizing their real-world potential. [Read more]( Medical [New melanoma test predicts risk of skin cancer spreading]( [Looking at certain proteins in a tumor biopsy, a new test can measure the risk of a melanoma spreading or recurring]( A new test has been developed to assess the likelihood of an early-stage melanoma either spreading or recurring. The test measures levels of several proteins in a biopsy, helping doctors assess which patients require more frequent follow-ups. [Read more]( Military [Full production of Russia's Tu-160 bomber restarted after 30 years]( [The Tu-160M is restarting full production after 30 years]( In an echo of the Cold War, Russia's first newly manufactured Tupolev Tu-160M (NATO designation Backfire) supersonic nuclear heavy bomber completed its maiden flight on January 12, reaching a height of 600 m (2,000 ft) during its 30-minute test. [Read more]( Drones [Vetal tail-sitter VTOL drone is set to take to the sky]( [The Vetal drone can reportedly take off within just two minutes of being placed on the ground]( Although fixed-wing drones can fly farther and faster than multicopters, they typically require runways to take off and land. The Vetal flying-wing drone addresses that compromise, with a rather striking "tail-sitter" design. [Read more]( Biology ["Largest-ever" fish breeding colony may contain up to 60 million nests]( [Based on the nesting density of the surveyed area, and the nature of the surrounding seafloor, it is estimated that the colony is made up of approximately 60 million active nests]( German scientists have announced the discovery of what is claimed to be the world's largest fish breeding area known to date. Described as a globally unique ecosystem, it consists of tens of millions of icefish nests on the Antarctic sea floor. [Read more]( Aircraft [Zeva presents the first flight video of its full-size eVTOL UFO]( [Zeva has release the first off-tether flight footage for its full-scale eVTOL UFO prototype]( One of the strangest eVTOL designs we've seen is now officially off the ground. The Zeva Zero is a tail-sitting, one-person, electric flying saucer that promises to be cheap, fast, efficient and about as crazy an air taxi ride as we can imagine. [Read more]( Bicycles [Musguard rollable bike fenders now protect on the filthiest rides]( [Musguard shows how its Omni mudguards deploy and roll away]( In 2013, Musguard launched ultra-packable mudguards that roll right around a bike's tubes – out of the way in good weather, eating up road spray in bad. Now it's added the Omni, a more versatile rollable mudguard ready for dirtier riding. [Read more]( Music [Artist makes stunning one-off guitar from recycled marine plastic]( [The body of the guitar is made from recovered plastic waste from oceans, rivers and coastlines, while the neck features plastic straws and bottle tops]( Three years ago, creator Burls Art released a video documenting the building of his first guitar, which rocked a body made from 1,200 colored pencils. Now the artist has partnered with 4ocean to make a double-cut from recycled marine plastic. [Read more]( Science [Earth's interior may be cooling down faster than we thought]( [A new study has examined a mineral found at the boundary of the Earth's outer core and lower mantle, and found that the planet's interior may cool down faster than expected]( The extremely hot interior of Earth is slowly cooling down, but exactly how fast is unknown. By studying how well a common deep-Earth mineral conducts heat, researchers have now found that the planet’s interior may be cooling faster than expected. [Read more]( Space [Astronauts found to destroy 54 percent more red blood cells in space]( [David Saint-Jacques was among a number of astronauts who provided breath samples as part of research into red blood cell counts in space]( New research has found that during a six-month stay on the International Space Station, astronauts were destroying 3 million red blood cells every second. That's 54 percent more than the 2 million our bodies destroy and replace every second on Earth. [Read more]( Collectibles [Four-page autograph Nikola Tesla letter fetches $340,000 at auction]( [This image of Nikola Tesla sitting next to his "magnifying transmitter" was created by multiple exposures in his laboratory in Colorado Springs around 1899. The 7-meter-long (23-ft) arcs were not part of the normal operation, but only produced for effect by rapidly cycling the power switch.]( Nikola Tesla was one of the world's most important innovators and evidence of the gravitas of the Tesla name was on full display at an auction at Remarkable Rarities (RRAuctions) this week when a four-page autograph letter by Tesla fetched US$341,295. [Read more]( Home Entertainment [iFi mixes audio-enhancing cocktail for Zen One Signature release]( [The Zen One Signature takes bits of the Zen DAC V2, adds coaxial, optical and USB, then mixes in Bluetooth connectivity from the Zen Blue V2, and finally brings Signature circuitry to the listening party]( Music lovers hoping to enjoy high-resolution audio from a smartphone may well find that the conversion circuitry inside is simply not up to the task. The Zen One Signature DAC from Brit audio specialist iFi has been designed to rectify that. 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