While the term “acid rain” is widely known, its definition is less understood. It is indeed a phenomenon that remains ...

A new study shows that aerosols in indoor air can vary in acidity. This acidity determines how long viruses remain infectious in the air -- with profound implications for virus transmission and ...

When acidic components get into rain or other forms of precipitation, acid rain can make trees die. It won't hurt you to walk or swim in acid rain, but the particles that cause it may hurt your lungs ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

While fruit has many nutritional benefits, the acid in certain fruits can cause a variety of health problems. This acid can irritate gastroesophageal reflux disease (GERD), for example, and weaken the ...