Today, the Bay of Biscay has been swallowed by the sea, but in ancient times, it was an important path for hunter-gatherers. They would walk along the sea, looking for valuable materials; not rocks or shells,

Fragment of projectile point from the cave site of Isturitz (Pyrénées-Atlantiques, France), made of bone from right whale or bowhead whale, dated to 17,300-16,700 years before present, curated at the Musée d’Archéologie Nationale (Saint-Germain-en-Laye, France). CREDIT: Jean-Marc Pétillon.

An international team of scientists from Spain, France, and Canada discovered that whale bones were used to manufacture tools and weapons, which were likely traded over long dista