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A grassland ecologist shows what grass is doing underground; lighting up a lab with a little chemiluminescence; an app to push consumers toward products with sustainable palm oil.
Citizen scientists help protect timber from poachers by sampling tree DNA; an animator uses tech to make movies; a young coder meets a software engineer and learns about patents; a scientist helps astronauts grow vegetables in space.
A CEO supports a team of explorers and innovators at National Geographic; what happens in one's brain when one feels shame; a storm chaser sends up a weather balloon to show how storms form; a volcanologist in Hawaii.