Sony has refreshed its line of flagship noise-cancelling headphones, introducing a new model with some technological tweaks to enhance the audio experience in a few ways, while offering some of the clever functionality seen in their predecessors. Source of Article
Scientists at the Houston Methodist Research Institute studying brain impacts have turned to the communities of bacteria in the gut, where they've found that changes following a concussion could be used to reveal the state of recovery. Source of Article
eVTOL makers say these electric air taxis will be so much quieter than helicopters that they'll be able to put hundreds of them in the air without annoying city residents. Well, let's see – Joby Aviation and NASA have released acoustic test figures. Source of Article
The world’s most powerful X-ray laser is ready for operation after a massive overhaul. The upgraded LCLS-II uses temperatures colder than deep space to accelerate electrons to near light-speed and fire off a million X-ray bursts per second. Source of Article
An ongoing study is testing a new kind of neuroimaging device designed to easily capture brain activity in real-time. These experiments will investigate the effects of ketamine on functional connectivity in the brain before, during and after an experience. Source of Article
Research from MIT has shown how natural cellular cleaning systems are ramped up during cell division, with the newly discovered mechanism potentially offering scientists a "toggle" for treating different kinds of diseases. Source of Article
One of the world's largest bicycle brands ups its ebike game with a dedicated brand encouraging commuters to ditch the car and get on an electric bike. Specialized's Globe brand will carry the torch of getting more butts into ebike saddles. Source of Article
Saab has introduced a passive, lightweight, electronic warfare sensor called Sensor Compact, which is designed to act alone or in an array to locate incoming threats on a variety of tactical levels without revealing its presence. Source of Article
Two new studies indicate a fourth COVID-19 vaccine dose can substantially boost immunity and reduce risk of infection compared to triple-dosed individuals but experts are divided on whether all age groups should be offered the extra booster. Source of Article
Last year, we heard how anole lizards are able to breathe underwater from an air bubble on their nose. One of the scientists involved in that study has now documented a spider doing something similar – although the bubble covers its whole body. Source of Article
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