Elements

As more of the world's forests are destroyed, it makes you wonder: what’s going to absorb CO2 in their place? In an ironic twist of fate, one of Earth's "deadest" habitats might be our best hope for an ongoing supply of breathable air.

Have you ever stopped and realized just how noisy the world is? What is all that noise doing to us and could it be negatively impacting our health?

Some of us sleep soundly without uttering a whisper, and others deliver entire speeches while sawing logs. But why is that, and how does sleep talking affect our health?