In 2014, an Arizona court ordered the state legislature to pay schools back for lost money. Lawmakers have since proposed a compromise to give them more than 80 percent of what they are owed. But that won’t happen unless voters approve Proposition 123 in May.
A group of scientists at Northern Arizona University is now working on a way to make a computerized bionic ankle act like a real leg. Inspired by the animal world, they’ve got a new idea about how muscles behave like springs.