Brent Ware, a member of the robotics team at Kansas State, stands next to a planting robot that won a national competition. Jeremy Bernfeld/Harvest Public Media hide caption

itoggle caption Jeremy Bernfeld/Harvest Public Media

Argentina has long been famous for its grilled beef. But that beef isn't what it was. Galina Barskaya/iStockPhoto.com hide caption

itoggle caption Galina Barskaya/iStockPhoto.com