And yes, using a "de-ioniser" (more likely it was an ionizer - a device that puts an electrical charge on dust particles, causing them to plate out on wall and other building surfaces) can contribute to soot and thermal dust tracking stains on building walls and ceilings
**Compared to a cigarette when smoked based on laboratory testing
Travelling with family Families coming back to Australia on the same flight or voyage may combine (pool) their individual duty free concession limits
Radio-quiet neutron star A radio-quiet neutron star is a neutron star that does not seem to emit radio emissions, but is still visible to Earth through electromagnetic radiation at other parts of the spectrum, particularly X-rays and gamma rays
Agricultural activities are primary contributors to MPs accumulation in soil, notably through plastic mulching, compost and biosolid applications, sewage sludge, irrigation with contaminated wastewater, and the degradation of farming tools 109,110