7,000-year-old scrap of goat leather from a Spanish burial cave contains DNA

The Antikythera Mechanism, an ancient Greek artifact, demonstrates remarkable engineering ingenuity. Crafted around 2,100 years ago, it was designed to study celestial movements and predict astronomical events. Discovered in 1900 by sponge divers off the coast of Antikythera, this mechanism showcases the advanced scientific knowledge of the time.