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 ...

, I’ll find myself walking through a freshly plowed field. Inevitably, I’ll spend as much time peering downward as I do listening skyward. I can’t help myself. I might be hunting gobblers, but I’m ...