A new study of 60 beaches in Southern California shows water pollution varies with the lunar cycle, reaching the highest levels when tides are ebbing during the New and Full Moon. These findings could change the way beach managers evaluate swimming safety.

Blood from sheep butchered in a religious ritual at one of South Africa's busiest tourist beaches could lure sharks towards those in the water. The Leader of the Healing Oracle, Prophet Moses Michael said the ritual was inspired by the Old Testament to help cure sick people.