In this week's programme, it's Q&A time! Coming up, we'll find out: what can we learn from invisible measurements in space, how scientists discover potential new medicines made by plants and why green energy might be more costly to the consumer... Yep, we're answering science questions you've been sending in! We've assembled the very best experts to help get to the bottom of it all: climate researcher Ella Gilbert, climate economist Gernot Wagner, enthnobotanist Cassandra Quave, and public astronomer Matthew Bothwell... Like this podcast? Please help us by supporting the Naked Scientists