An Oct. 3 Facebook video (direct link, archive link) shows Ian Plimer, a skeptic of human-driven climate change, speaking at the Australian Conservative Political Action Conference in 2022. "Game over ...

Humans may be fueling global warming by breathing, a new study suggests. “Exhaled human breath can contain small, elevated concentrations of methane (CH4) and nitrous oxide (N2O), both of which ...

Nerve gases are often very potent, requiring highly sensitive sensors to detect them quickly and accurately. One method of boosting sensitivity combines human scent receptors with nanomaterials such ...