Ender Pearl

The Ender Pearl is a new item in the 1.8 update and is sometimes dropped by Enderman upon death. All of the uses of the Ender Pearl are currently unknown

The ender pearl does not...
 * Allow the player to punch mobs from a distance (that is a feature of Creative Mode).
 * Teleport Endermen (that is their nature).
 * Keep them from becoming aggressive.