EnvironmentExtinction Rebellion protests should be embraced, not banned The move to haul protesters off London’s streets reflects a scientifically and economically illiterate political and media elite in denial about the climate Comment
PhysicsMilitary-grade jet fuel made cheaply from plant waste instead of coal An expensive superfuel normally reserved for missiles and hypersonic jets can now be made from crop waste instead of fossil fuels - and more cheaply to boot News