Paleo and keto diets bad for health and the planet, says study

[New Atlas logo]( Environment [Paleo and keto diets bad for health and the planet, says study]( [Eating a meat-forward diet is likely not good for human or planetary health, says the new study]( The health benefits of a meat-based versus a plant-based diet are often hotly debated. A new study adds another checkmark to the plant-based column though, as it loops in the environmental impacts of choosing paleo or keto diets over veganism. [Read more]( Special Promotion for New Atlas Readers [As seen at CES: This smart concert ukulele is now $159.99]( Excitement is in the air for the Populele 2 Smart Concert Ukulele as it joins the ranks of innovative technology products showcased at the Consumer Electronics Show (CES). Even better, the musical instrument is now price-dropped for a limited time. [Read more]( Robotics [Musk expects Tesla Bot to be a much bigger business than its cars]( [Tesla's Optimus robot is now walking and using its humanoid hands for basic tasks]( As part of its 2023 Investor Day, Tesla has given the world a glimpse of where progress is at with its latest-gen Optimus humanoid robot. Nineteen months since it was first announced, the Tesla Bot is now walking, picking things up and doing basic tasks. [Read more]( Urban Transport [Segway aims to be quick off the mark with E300SE electric scoot]( [The Segway E300SE reportedly rockets from a standing start to 50 km/h in 2.9 seconds]( Segway Europe has announced its micro-mobility lineup for 2023, which includes a hub-drive sit-down electric scooter with a per-charge range of 130 km or more, a blistering sub-3-second sprint to 50 km/h and a top speed of up to 105 km/h. [Read more]( Science [Crocodile’s secret weapon against deadly infections could help save us]( [Saltwater crocodiles use a pH sensing mechanism to attack and kill fungal pathogens]( While catching sight of Steve Irwin’s best friend and one of nature’s most intimidating ambush predators in the wild would spark fear in anyone, the saltwater crocodile might actually be able to help us in our fight against serious infections. [Read more]( Architecture [Incredible home tears down the walls to embrace jungle living]( [The Open Jungle House's floor is made up of gravel covering the soil beneath, as well as some concrete and wooden platforms]( Few homes commit to the idea of a semi-outdoor living experience quite like the Open Jungle House. The unique residence doesn't have traditional walls or glazing, meaning it's open to the elements – and all wildlife – in the Costa Rican jungle. [Read more]( Science [Archeological discovery confirms steel used earlier than first thought]( [Archeologists have confirmed that steel tools were used to carve into hard rock in the Iberian Peninsula much earlier than previously thought]( A new archeological discovery has confirmed that tempered steel was used by artisans in the Iberian Peninsula to carve intricate motifs into hard rock stelae during the Final Bronze Age, earlier than previously thought. [Read more]( Architecture [One-of-a-kind footbridge tumbles over to let boats pass]( [Described as a square that rolls by designer Thomas Randall-Page, the Cody Dock Rolling Bridge has a novel method of allowing boats to pass]( Admittedly, this footbridge isn't the easiest, nor the most practical way to get people from one side of a river to another – but it might be one of the most creative. The unique crossing rolls 180 degrees to make space for boats to pass under it. [Read more]( Automotive [Tesla re-thinks 100-year-old automaking model, aiming to halve costs]( [Building part of the interior on the battery case, outside the cabin, gives workers and robots much better access]( Tesla told investors it can reduce costs by 50%, by expanding on the modular, parallel manufacturing innovations it developed for the Model Y. Tesla's next-gen vehicles will be built and tested in chunks that won't come together until the final line. [Read more]( Bicycles [Aventon throws down its car-replacement gauntlet with the Abound cargo ebike]( [Aventon says that the Abound "multipurpose freighter is the perfect companion to assist in doing the heavy lifting as you transport your goods wherever you go"]( We've seen a bunch of cargo ebikes released lately, with models from Rad Power Bikes, Lectric and Trek all making a case for leaving the family car in the driveway and heading out on two wheels instead. Now Aventon has joined the party with the Abound. [Read more]( Science [Device uses a BAT signal to show where sharks are giving birth]( [A specialized applicator (left) is used to insert a BAT into a female shark's uterus, while an ultrasound probe (right) monitors its placement amongst her embryos]( The majority of shark species are threatened with extinction, so it's crucial to protect the "pupping" areas where females give birth to live young. A new satellite-linked device, known as the BAT, lets scientists know the locations of those areas. [Read more]( Aircraft [“Sailing the winds”: How stratospheric balloons navigate the skies]( [Stratospheric balloons are unmanned, propellor-less balloons that maintain course by AI-assisted wind prediction]( High-altitude platform stations (HAPS) are effective tools for communication and surveillance because they operate from the stratosphere, much closer to earth than satellites. But how do they stay on track? [Read more]( Science [Your gut may hold the key to better, faster healing from muscle injury]( [T cells from the gut have been found to travel far and wide to help heal muscle and liver tissue]( Scientists have discovered that a specific class of immunity powerhouse T cells originate in the gut but venture around the body, patrolling for damaged sites and then assisting in repair, underpinning the importance of a healthy microbiome. [Read more]( Military [US Air Force buys E-7 spy plane to replace aging E-3 Sentry fleet]( [The E-7 will replace the E-3 Sentry]( The US Air Force has awarded Boeing a US$1.2-billion contract to develop new variants of the company's E-7 Airborne Early Warning & Control (AEW&C) aircraft to replace America's Cold War fleet of 31 E-3 Sentry AWACS early warning aircraft. [Read more]( Space [Fairy-tale-inspired rovers could use "breadcrumbs" to map caves on Mars]( [A depiction of a mother rover (lower right) deploying smaller breadcrumb-dropping rovers to explore a cave system]( Exploring an unmapped cave system is a daunting enough prospect on its own, but think how risky it would be to do so on another planet such as Mars. That's why a new system is in the works, which would use "breadcrumb"-dropping rovers to do the job. [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 © 2022