Sixty thousand years ago, humans in southern Africa were already mastering nature’s chemistry. Scientists have discovered ...

Study finds plant poison was used on ancient arrows, pointing to sophisticated hunting methods used 60,000 years ago ...

At first, archaeologist Andrei Krivoshapkin and his colleagues thought the small, pointed stone shards they were uncovering were just a curiosity. Krivoshapkin and his team were digging deep into ...