What Are Those Marks on the Olympic Athletes?
American swimmer Michael Phelps has won more Olympic medals than anyone in history.
US Officials Turn to Schools to Help Students Deal with Violence
When students return to the J.J. Hill Montessori School in Minnesota next month, they will find counselors ready to help them.
Tesla Hopes Nevada ‘Gigafactory’ Fuels Car Sales
The American company Tesla Motors recently showed off a huge factory that will produce battery packs for its electric cars.