Rounding up the biggest news stories from June and July.
Macro-rotaxanes comrising multiple cyclic wheels locked together with high-molecular-weight axles can enhance the properties of soft polymers.
An environmentally friendly deep eutectic solvent can extract valuable elements from the metal oxides commonly used as cathodes in lithium-ion batteries.
By adding sodium to a lead-free all-inorganic perovskite, physicists have produced a single material that can produce white light.
Windows made of transparent wood could offer more even and consistent natural lighting and better energy efficiency than glass.