Scientists tally up the total number of ants on Earth

[New Atlas logo]( Science [Scientists tally up the total number of ants on Earth]( [Scientists in Germany have estimated how many ants there are on Earth]( The next time an inquisitive four-year-old asks how many ants there are on Earth, you can be ready to fire back a specific number. Researchers in Germany now have an answer to that question, as well as a follow-up: how much do they all weigh combined? [Read more]( Special Promotion for New Atlas Readers [Never be in the dark again with these Maglight Mini Flashlights]( While multi-tasking may overload our brains, when it comes to our gizmos, if one singular gadget can take the role of many, it’s a win-win situation for us all. Say hello to the 8-in-1 Maglight Mini. It’s a super bright flashlight and so much more. [Read more]( Aircraft [Electric Alice plane tears down the runway in high-speed taxi test]( [Alice on the runway]( Israeli startup Eviation introduced its all electric aircraft in 2019 and has been edging toward its first flight ever since. It has this week taken an important step toward this milestone, breezing through some high-speed testing on the runway. [Read more]( Energy [Five solar farms, each as big as Tasmania: Australia's path to net zero]( [An indication of how much land mass would be needed for solar power in a decarbonized 2060 version of Australia that maintains its energy exports]( Australia has a lot of sun and desert space, positioning the country well to continue being an energy exporter in the net zero era. But the renewable assets it'll need to build to get there are absolutely epic in scale, according to a new report. [Read more]( Outdoors [Forma Campers reshapes the teardrop trailer into spacious origami]( [Forma trailer making home out of the wild]( Forma Campers has rolled out what we can only call an origami-drop, a uniquely creased small trailer set up like a teardrop. Its spacious interior and large gullwing door create a base camp that's ideal for dining, working remotely and enjoying a view. [Read more]( Materials [New titanium alloy has highest specific strength of any 3D-printed metal]( [The new titanium alloy being 3D printed through a laser powder bed fusion technique]( Engineers have developed a new 3D-printed titanium alloy with a unique microstructure that makes it ultra-strong. Not only is it stronger than other forms of titanium, but it has the highest strength-to-weight ratio of any 3D-printed metal ever made. [Read more]( Drones [Passive-tilting rotors shown to boost drone speed and efficiency]( [Conventional quadcopters (pictured) have to tilt their whole body in forward flight, decreasing their aerodynamics]( Ordinarily, quadcopter drones have to tilt their front end downward when flying forward, increasing their frontal area and thus increasing drag. An experimental new drone gets around this problem, by only tilting its rotors. [Read more]( Home Entertainment [Hisense adds cheaper UST projector to TriChroma Laser TV lineup]( [The Hisense PX1 is built around the same triple-laser light-source technology as the more expensive L9G and PX1 Pro models]( Hisense USA has launched a new 4K ultra-short-throw smart projector that features the same TriChroma laser engine as the L9G from 2021 and the PX1 Pro from earlier this year, but comes in cheaper than either. [Read more]( Science [Researchers discover the genes that help you groove to music]( [Researchers homed in on 69 genetic variants associated with a person's ability to synchronize movement with a beat]( A team of scientists have reported the first large-scale investigation into the genetics of musical rhythm. The study homed in on nearly 70 genetic variants linked with our ability to move in sync with a beat. [Read more]( Architecture [Gravity defying spa turns a mountain village on its head]( [The Hub of Huts is designed to take the form of mountain village huts, some of which have been turned upside down]( NOA has created an eye-catching swimming pool and sauna extension to an existing hotel in South Tyrol, Italy. The project takes the form of a mountainside village made up of several huts, including some that have been turned upside down. [Read more]( Medical [Home-use smartphone app could let users check blood oxygen levels]( [App users place one finger over the camera lens and flash of their smartphone]( Respiratory ailments may hamper the body's ability to draw oxygen from the lungs, which is why patients' blood oxygen levels often need to be checked. New research now suggests that people could track those levels at home, using their smartphone. [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