A startup is working on technology that produces protein from the elements found in air.
Why it matters: "The world will struggle to feed billions more people by mid-century without clearing more land for farming or livestock. Being able to generate nutrition protein with little more than energy and air could open the door to sustainable vertical farms.
As the U.S. fertility rate falls to a 35-year-low, new technologies promise to radically change how we have babies.
Why it matters: The demand for assisted reproductive technology like IVF is likely to grow as people delay the decision to have children. But newer advances in gene editing and diagnostic testing could open the door for a revolution in reproduction, raising ethical questions we haven't begun to answer.
