Western scientists say they may never know the source of the cloud of ruthenium-106 that hovered over Europe last month. But what little data there is suggests a research facility inside Russia.
Distracted driving is a growing problem, accounting for at least 12 percent of road crashes worldwide. Phones don't help. But personality and gender may play a role, too, researchers say.
The U.S. is keeping its troops in Syria and continues to press for a political settlement to that country's civil war. It's far from clear whether the U.S. has sufficient leverage to achieve that.
The unprecedented prospect of a repeat election looms as Merkel and her diverse would-be coalition partners try to surmount differences. "This could be the end of Angela Merkel," warns a commentator.
The Foreign Agents Registration Act has been ignored in lobbying circles for decades and called "a complete joke." Mueller may bring the laughter to an end.
In many countries, uneven and unpaved roads make it hard to get around in a standard wheelchair. MIT engineer Amos Winter describes his design for a lever-powered all-terrain wheelchair under $200.
Washing your hands with soap stops the spread of many lethal diseases. Yet most people don't wash their hands, even after using the bathroom. Dr. Myriam Sidibe wants to reverse this disturbing trend.
The 93-year-old ruler, who has been under house arrest since the military staged a takeover on Wednesday, is insisting that he be allowed to serve out his term until elections next year.
Since National Front party leader Marine Le Pen lost the presidential election to Emmanuel Macron last May, she and her party have largely disappeared from the political scene.