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The latest version of Toyota's zero-emissions fuel-cell powered tractor truck was unveiled today in Los Angeles. The Fuel Cell Electric heavy-duty Truck (FCET) that runs on hydrogen and produces only water as waste is intended to meet or exceed the performance of a conventional diesel truck.

​Post traumatic stress disorder (PTSD) can be a very serious problem, and it unfortunately often goes undiagnosed. New technology could help, however, as it uses artificial intelligence to determine if someone has PTSD – based on their speech.

The smaller and lighter electronics get, the more ways they can be used. A team of researchers has come up with a compact radar system the size of a matchbox that could be deployed in drones and other gadgets where portability and low cost are important.

Last year, a Harvard team revealed a snake-inspired soft robot that harnessed the ancient Japanese art of kirigami to create pop-up scales that allowed the robot propel itself along as it stretches and contracts. Now some tweaks have given the robot boosts in both speed and precision.

The American Institute of Architects Committee on the Environment (COTE) has revealed the winners of this year's COTE Top Ten Awards. The annual awards showcase the best new examples of sustainable architecture by American firms.

​Besides simply looking nice when used in jewellery, mother-of-pearl is also one of nature's hardest, stiffest, most stable materials. Scientists have now utilized bacteria to develop a cheap and eco-friendly method of replicating it, for possible use in a variety of areas.

After sitting in a drawer in a Kenyan museum for more than 40 years, a set of fossilized bones has introduced the world to a long-lost mega-carnivore from 22 million years ago. Bigger than a polar bear and possessing enormous canine teeth, meet Simbakubwa Kutokaafrika.

April 2019 is a big month for car lovers. A day after the start of Auto Shanghai, the New York International Auto Show kicked off, offering its own compelling mix of new-generation production vehicles, concept cars and special editions.

In an effort to scale up the manufacture of biomaterials, researchers at UC Berkeley have combined bioprinting, a robotic arm, and flash freezing that may one day allow living tissue and even whole organs to be printed on demand.

​It was just last year that we heard about the Marine Skin patch, a flexible data-tracking device that can be temporarily adhered to marine creatures. Well, its designers have now come out with a version that's smaller, more sensitive, and capable of going much deeper.

​We've already heard how courier services such as UPS and DHL are using pedal-electric vehicles for their urban deliveries. Well, UK parcel delivery group DPD is now getting into the act, with a four-wheeler known as the Project 1 – or the P1, for short.

​Here's one we missed from last week's electric car avalanche at Auto Shanghai. Sitting on around a billion American dollars' worth of investment, Enovate Motors showed a neat concept sports car built around a high capacity, fast charging solid state battery pack.