TechnologyNorthwestern Scientists Build a Fuel Cell That Runs on DirtEngineers at Northwestern have built a soil-powered fuel cell that uses natural bacteria to generate steady electricity for underground sensors — no batteries, no solar panels, no recharging required.
TechnologyElectric 'Flying Ferries' Are Gliding Into the Future of Clean TransportationSweden's Candela has launched the world's first electric hydrofoil passenger ferry, cutting energy use by 80% while literally lifting commuters above the waves.
Human AchievementsTeenager Invents Water Purifier That Could Save Millions of LivesA 17-year-old from Kenya has created a low-cost water purification device using locally available materials.