According to an article in the Smithsonian magazine, these geometrically arranged hills aren’t landing signs for extra-terrestrials, but instead effectively sound baffles worked into the ground ...

We may receive a commission on purchases made from links. Imagine starting your day with a peaceful kitchen routine only to have the calm shattered by the deafening sound of your blender.

Motorcycle exhausts are the centre of attention once more, as new rules are brought in to help limit excessive exhaust noise ...