Acid Rain

Acid rain, is a rain that is below pH 5.6 which is the acidity of normal rain. The rainwater dissolves CO2 in the atmosphere, making

קרא עוד »

Snow-forming bacteria

Everyone knows that when we are wounded, it is best to wash the wound with soap and water and apply antiseptic ointment. We do this

קרא עוד »

World of Slums

Just a decade ago, humanity first crossed the historic line whereby half of population resided in urban surroundings. Many see this unprecedented global urbanization trend

קרא עוד »
Categories