New perovskite LED emits a spin-polarized glow

Video-led feedback programme reduces behaviour problems in children as young as 12 months

The overuse of antibiotics has led to the widespread development of bacterial antibiotic resistance. Despite the UN calling it "the greatest and most urgent global risk", more antibiotics means more money for pharmaceutical companies, so there is little will to change

Weakened protections led to more disappearances of endangered Mexican wolves