Mobile devices outsold PCs last year for the first time, and top smart-phone apps need little more than a year to win the kind of audience it used to take technologies decades to reach. What are the limits of mobile computing?
When Facebook agreed last…

Mobile devices outsold PCs last year for the first time, and top smart-phone apps need little more than a year to win the kind of audience it used to take technologies decades to reach. What are the limits of mobile computing?
When Facebook agreed last…

The new antismoking technique uses nanoparticles to trigger an immune response.
A Boston-based startup is pursuing an unorthodox approach to helping smokers quit—it’s attempting to make the world’s first successful nicotine vaccine.