Researchers have discovered a new antibiotic molecule that targets a broad range of disease-causing bacteria — even strains resistant to commercial drugs — and is not toxic to human cells 1.

Slices of wood can act as water filters that remove bacteria and microplastics with more than 99 per cent efficiency, potentially offering a cheap way to protect people from water-borne illnesses.

Methane leaks from sites like rice paddies, landfills, dairy farms and coal mines could be plugged with the help of gas-guzzling bacteria, helping to curb near-term global warming. Later this year ...