The Startup Battlefield is the stage where legends are made, and the next 20 contenders have arrived. These are the breakout companies that rose to the top of a fiercely competitive, global applicant pool, and they’re headed to the main stage at TechCrunch Disrupt to compete for the $100,000 prize and the coveted Disrupt Cup.  This year’s Top 20 finalists are building across the full spectrum of frontier innovation, from life sciences and climate tech preserving human health and planetary