World’s most efficient passenger plane gets hydrogen powertrain

The Celera 500L is a truly remarkable design. Otto Aviation says its odd shape delivers an astonishing 59% reduction in drag, so it can cruise as fast as a small jet while using 80% less fuel. Now, Otto and ZeroAvia are giving it a clean powertrain.

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1 in 500 men may carry extra chromosome, raising risk of some diseases

A comprehensive genetic analysis has found that one in 500 men have an extra sex chromosome, with most unaware. That’s much higher than previously thought, and it seems to increase their risk of diseases like diabetes and cardiovascular problems.

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Wilder off-road combat patrol vehicle offers remote drive-by wire

Israeli defense company Plasan Sasa has rolled out its Wilder ground vehicle at the Eurostory 2022 defense exhibition in Paris. Designed for military patrols and special forces, the 3.7-tonne armored 4x4 provides NATO Stanag 4569 Level 2 protection.

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Study suggests a beer a day can increase diversity of gut bacteria

A small pilot study suggests that moderate consumption of lager beer may influence the diversity of our gut bacteria in a positive way, whether it's a traditional brew or one of the increasingly popular non-alcoholic variety.

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Audi’s e-rickshaws breathe second life into used e-tron batteries

The question of what to do with electric vehicle batteries after their vehicular life cycle ends is only going to get louder and more pressing. Audi is experimenting with one possible option: electric rickshaws powered by second-life batteries.

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Skarper tech turns bikes into ebikes by powering the brake rotor

There are now many kits for converting regular bikes into ebikes, most of which involve swapping in a motorized wheel or adding a device that rolls against the rear tire. The Skarper system is different, in that it drives the bike's rear brake rotor.

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HitchFire adds RV-style kitchen to any car, pickup or SUV hitch

HitchFire has established itself as the go-to source for hitch-mounted grilling, and now it's looking to master hitchable cooking at large. Its new Hitch Kitchen packs a stove, sink and worktop inside a rugged box that stores behind the bumper.

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New map reveals deepest spot in Southern Ocean around Antarctica

An international team of scientists and cartographers has released the most detailed map of the seafloor of the Southern Ocean that surrounds Antarctica. It covers 48 million km² and includes the deepest spot yet found in the region.

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Hanging bed turns 2-door Jeep Wrangler into a no-limits micro RV

The two-door Jeep Wrangler remains one of the most capable off-road vehicles on the planet, but it's not so comfortable for overnighters. Oryx Platform solves that problem with a bed that hangs off the roll cage to turn the 4x4 into a cozy bunk-room.

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Win or lose, Cadillac GTP Hypercar will be a highlight of Le Mans

The 2022 24 Hours of Le Mans happens this weekend, but Cadillac has us more interested in the 2023 event. This week, it previewed the Project GTP Hypercar it will be running in next year's FIA World Endurance Championship series, and it's an absolute stunner.

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