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​Sometimes, people want to clean up polluted water, by removing spilled oil from its surface. Other times, they want to purify oil-based fuel, by removing water from it. An inexpensive new "smart" membrane created at Canada's University of British Columbia can switch between doing both.

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.

Weight gain has often been noted as a side effect of quitting smoking, and research has found that nicotine can function as an appetite suppressant. A study has now uncovered a novel mechanism showing how nicotine directly activates a protein that signals a type of fat cell to start burning energy.

​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.

After a few weeks with the SwitchCharge, a beefy battery pack for the Nintendo Switch, we’re happy to report that it actively solves some of Nintendo’s niggles, earning its place in our bag basically every time we leave the house with the Switch.

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.

As the fate of the Great Barrier Reef remains uncertain, a new study has examined the health of the reef over the last 30,000 years, and found that it has suffered five “death events” in the past – but its current woes could be the last straw.

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.

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.