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After the basic Blaze and the angular Ionic, Fitbit has finally got the smartwatch formula right. The new Fitbit Versa works well, looks good, and is comfortable to wear for extended periods of time, though it's not without its problems. Here's our hands-on experience of using the wearable.

​It's important for us to be able to detect odors such as those emitted by spoiled food. However, what if there were a low-cost "electronic nose" that was better at detecting those things, providing us with an earlier warning? That's what's being developed at the Karlsruhe Institute of Technology.

​In 2017, China revealed an ambitious masterplan to lead the world in both AI research and deployment by 2030.​ It has been revealed recently that several new technological innovations are now being tested in Chinese schools redefining how children can be educated in the 21st century.​

We've been hanging out for this one; Sena has been making excellent motorcycle Bluetooth comms systems for many years, and now it has started manufacturing its own, fully integrated smart helmets. We've been riding with the Momentum for a few weeks, here are our impressions.

​If there's one thing that's scary about quadcopter drones – besides their ability to invade peoples' privacy or fall on their heads – it's those fast-spinning rotor blades. An experimental new system, however, is designed to stop the rotors before they can do any cutting.

The South Pole may seem like a flat desert of ice, but a recent international radar survey has discovered that there's a complex topography under the surface that could have a major effect on global sea level rise due to climate change.

The Sonic Soak is designed to act like a tiny, portable washing machine, using sound waves to clean clothes – including your delicates – as well as jewelry, toothbrushes, cutlery, baby items, fruit, veggies and basically whatever else can be thrown into a tub of water with it.

A large-scale meta-analysis from an international team of scientists has concluded that most common vitamin supplements provide no health benefits, particularly in the prevention of cardiovascular disease, heart attack, stroke and premature death.

NASA has entered the (virtual) travel business with the opening of its new Exoplanet Travel Bureau, which provides internet visitors with 360-degree artist's impressions of what the surface of a number of exoplanets might look like, along with a collection of downloadable travel posters.

Scientists have long debated what could be causing obesity paradox - odd counter-intuitive studies showing obesity in some instances offering beneficial health protections. Several new studies have just added further weight to the paradox.

​Although Mars appears to be an arid, lifeless place now, about four billion years ago its surface was covered with bodies of water – which may have supported microscopic life. A new study has determined what type of rocks may be most likely to contain the fossilized remains of such microbes.

​​The HondaJet is an already impressive piece of aerospace engineering. Now Honda is upping the ante, today announcing the HondaJet Elite, which is claimed to not only fly farther than its competitors, but also fly quieter, with new noise-attenuating technology to keep noise down in the cabin.