But somewhere among them must lurk one of humanity's ancient ancestors.
But humanity's dreams of a future beyond that final frontier have, largely, faded.
Thousands are expected at what has been breathlessly called "humanity's most important meeting".
But humanity's greatest advances are not in its discoveries - but in how those discoveries are applied to reduce inequity.
This textbook is an introduction to environmental science ,an interdisciplinary study of humanity's relationships with the earth's living and nonliving things.
Poets and philosophers have long been attuned to the fact that the quest for immortality drives much of humanity's peculiar ways.
In some ways, though, it does not matter whether humanity's evolution was entirely random or was predictable in its general form.
A groundbreaking ten-year study on the behavior of chimpanzees, reported in Current Biology, reveals that humanity's closest living relative expresses a propensity for human-like warfare.
Although calling people to repent, Smith's creed reflected contemporary American optimism in its emphasis on humanity's inherent goodness and limitless potential for progress.
