Warning

Once you've ridden a bicycle with a bell, shouting out warnings to pedestrians seems very loudmouthed and ineffective. Well, the Runbell 3.0 gives runners a finger-worn bell, so they don't have to yell at people either.

If you transport your bike on a car-top rack, there's a risk that you'll forget it's up there, and smash it into a low-hanging garage door or other overhead obstacle. The Veloroof system is designed to greatly reduce that risk.

After a decade of legal and political battles, the FDA finally issued a conclusive new ruling for warnings on cigarette packs. The 11 new labels will fill 50 percent of the package with text and graphic imagery depicting the consequences of smoking.

Every year, the Bulletin of the Atomic Scientists updates the status of its Doomsday Clock. The closer to midnight that the minute hand moves, the bigger the threat of catastrophe. And the 2020 clock is the most dire warning to date.

The FDA is cracking down on a number of companies selling cannabidiol (CBD) products accompanied by unsubstantiated health claims. The latest target is a company called Curaleaf, which sells CBD products claimed to treat everything from cancer and Alzheimer’s, to anxiety and inflammation in dogs.

​Thanks to things like smartphones and automotive infotainment systems, both pedestrians and drivers are probably now less aware of one another than ever before. An experimental new crosswalk could help keep accidents from happening, however, through lights, electronic signs, and an app.

​When tsunami-triggering events such as underwater earthquakes occur, sound waves known as acoustic gravity waves (AGWs) are sent out through the water. Now, scientists from Cardiff University have developed a method of analyzing those waves, to predict how destructive the tsunami will be.

While current seismometers can pick up tremors with precision, they’re short-ranged and expensive. Now a Stanford study has demonstrated that an extensive earthquake-detection network could already exist right under our feet: the optical fiber cables piping high-speed internet throughout cities.

In order to offer developing nations some form of earthquake protection, a consortium of US research institutes has devised the ShakeAlert Earthquake Early Warning System. It uses regular peoples' smartphones to detect earthquakes and send warnings.

Many cars don't have rear seatbelt warning systems, so parents may not realize that their children have released their belt while en route. buckle me up wirelessly adds a rear seatbelt warning system to such vehicles.

Just last month, Volvo announced a new system that warns drivers of approaching cyclists via a symbol on their car's head-up display. Not to be outdone, Jaguar Land Rover has just announced its own system, which takes a more tactile approach – among other things, it taps them on the shoulder.

Almost a year ago, Volvo announced that it was working with Swedish helmet manufacturer POC to develop a car-to-cyclist safety system. At the time, little information was available regarding how the system would actually work. Now, however, the automaker has provided some details.