Chimps Seem To Love Crystals. It Could Solve 780,000-Year-Old Mystery

Chimpanzee experiments suggest early humans were likely fascinated by crystals because of their unique transparency and geometric shapes. Archaeologists have repeatedly uncovered crystals at ancient sites alongside the remains of early humans. Some of these finds date back 780,000 years, yet the stones show no signs of being used as tools, weapons, or jewelry. If [...]