When cleaning floors with bleach, do not turn on the lights
Many people use a lemon or orange scented cleaner to clean the floor and turn on the lights to see the stains, but this combination creates super fine dust.Blue sunset on Mars surface
The NASA-made Curiosity explorer sends a unique image of a sunset on Mars with a blue light, Newsweek reported on November 29.Growing wild plants, Beijing turned into a huge pollution trap?
Beijing's large-scale greenery campaign worsens air pollution in the city, South China Morning Post (SCMP) reported August 31.