Add Yahoo as a preferred source to see more of our stories on Google. Day of the Dead might sound like a solemn affair, but Mexico’s famous holiday is actually a lively commemoration of the departed.

The Aztec skull whistle produces a shrill, screaming sound. A study shows that these whistles have a disturbing effect on the human brain. The Aztecs may have deliberately used this effect in ...

Day of the Dead might sound like a solemn affair, but Mexico’s famous holiday is actually a lively commemoration of the departed. The nationwide festivities, which include a massive parade in Mexico ...