Meet Daniil Prokofev, the 17-year-old Virginia student who helped build a safer walking app; 14 schools are now piloting the program

That experience eventually led Prokofev and two classmates at Thomas Jefferson High School for Science and Technology in ...

It should be convenient to be able to enter year-end tax adjustments on a smartphone—as simply as possible

Introduction—It started with a checklistI run a tax accountant office in Tokyo. It is a small office with a few staff members ...