Archaeologists have modeled the auditory range of conch-shell trumpets in the 9th–11th century US Southwest, proposing that the sound was key in the structuring of pre-Columbian Pueblo communities. At ...

Before the sun rises on the second Monday of every August, the conch shell sounds. That is the signal. When it does, thousands of people pour into the streets of St. George’s in the dark. Their bodies ...