The last two decades have seen a striking decline in the quality of sound and listening experience. Compressed music, MP3s and streaming, have diminished the quality and flattened the emotion. Marketing gimmicks and convenience now take the place of excellence. The Distortion of Sound is an eye-opening exposé of the current state of sound starring Linkin Park, Slash, Quincy Jones and more. This documentary will open your ears and inspire you to reach for richer, more soul-stirring musical experiences.

What if an extra-terrestrial force attacked Earth? What might that look like and how will the people of Earth respond? Consulting a cast of world-renowned scientists, survival experts and defense experts, National Geographic explores this frightening scenario. Experts reveal what could motivate alien invaders to attack Earth, and speculate on how the attack might play out, the strategy alien invaders might use, and the most effective ways for humans to respond.