科学与环境
Hunter-gatherer societies reveal inequalities in power, status and resources, review finds
On the shores of Lake Eyasi in northern Tanzania, a small number of people still hunt and gather their food. Today, a Hadza hunter has taken down an animal—a kudu. He can't carry it by himself, so he cuts his poisoned arrow from its flank, covers the carcass in dry grass to hide
Phys.org - latest science and technology news stories ·