wooly mammoth, Tag

How would the world look if humans had never spread out across the earth? For a start, we'd have a lot more forest, much less pollution, and the stars would look unbelievably bright...

Most of us probably thought the first species that would be brought back from extinction would be large, scaly, and wreak havoc on a theme park. While not nearly as intimidating, scientists have revived one of the most interesting...