The earliest known pieces of jewellery made by modern humans have been identified by scientists. The three shell beads are between 90,000 and 100,000 years old, according to an international research team. Two of the ancient beads come from Skhul Cave on the slopes of Mount Carmel in Israel. The other comes from the site of Oued Djebbana in Algeria. The finds, which pre-date other ancient examples by 25,000 years, are described in the US journal Science. The pea-sized items all have similar holes which would have allowed them to be strung together into a necklace or bracelet, the...