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It sure would be nice if teeth could just repair themselves. Thankfully that’s not as far-fetched as it sounds – researchers have found a new population of stem cells in mice that are in charge of repairing tooth tissue and could be recruited to help us patch up cavities.

​More and more, we're seeing bike locks that open not with a key or combination, but with a fingerprint or Bluetooth signal. Almost all of those, however, are U-locks. What if you prefer the more compact form factor and wider reach of a folding lock? Well, that's where the ZiiLock comes in.

​Norway has famously adopted electric cars at a staggering rate – some 60 percent of all cars sold there this March were battery-powered, for example. And now a startup has poked its head above the ramparts, hoping to deliver a 186 mph (300 km/h), hard-charging electric super-sedan built in Norway.

​Three years ago, the BMW Z4 was discontinued and we feared the fun little driver’s car would never return. Luckily, we aren’t good at predictions, and BWM brought back the Z4 as an all-new design. It’s little, it’s a drop-top, and it’s still fun to drive. Now it’s also comfortable.

After Hyundai nominated its Nexo Fuel Cell SUV for early crash testing, it's become the first production hydrogen fuel cell vehicle (HFCV) ever tested by the IIHS​ in the United States. The crash testing body awarded the vehicle a best-available Top Safety Pick+ rating​.

Although ice formation on the wings is a major cause of aircraft crashes, that ice must still mainly be spotted by eye. A new sensor could change that, however, as it uses microwaves to instantly detect the formation of ice that may not be visible to pilots or ground crews.

A remarkable new study revealed thousands of previously undiscovered small proteins produced by bacteria in the human microbiome. Almost all of these proteins serve unknown functions in the human body and the researchers suggest the discovery opens up a new frontier for future drug development.

A new footbridge has been installed at Tintagel Castle in Cornwall, England, that replaces a land bridge lost over 500 years ago. The project consists of two sections of bridge that don't quite meet in the middle, creating a small gap at the center.

A new technology, called transdermal optical imaging, can turn your smartphone into a device that can measure your blood pressure by analyzing a short video of your face. The University of Toronto-led research has demonstrated the system is 95 percent accurate and an app is already in development.

With an eye to making future unmanned and manned planetary landing missions safer, NASA has installed the first components of the advanced Mars Entry, Descent and Landing Instrumentation 2 (MEDLI2) sensor suite aboard the Mars 2020 entry vehicle.

A leading name in custom camper vans, Outside Van developed one of its latest customs with a different purpose in mind. The Next Gen van is a prototype designed to optimize and centralize weight, using new strategies and experimental components, all without skimping on comfort or features.

​Tesla is poised to add yet more entertainment options for owners of tis electric vehicles, with CEO Elon Musk confirming that Netflix and YouTube streaming will soon be enabled on its generously-sized in-car displays.