As volcanic gases poured into the skies, they would have generated acid rain, and sulfate molecules would have blocked sunlight and cooled the planet. Glaciation would have reduced the volume of ...

17 Molecules that Changed History Here is an additional example from the first-place winner of the 2015 Science Writing Contest. The author vividly describes a scene that immediately establishes the ...

which leads to the combination of oxygen molecules, creating ozone. Ozone is only discernible after a lightning strike as the rain brings ozone down to the earth’s surface from altitudes.

Can eating fat be good for us? Some fatty acid molecules actually play a crucial role in maintaining our health and cellular functions. By the early twentieth century, scientists and doctors ...