The origin of human speech is another of evolution's mysteries.
A recent study by a group of US researchers provides new clues to the origin of human kindness.
What is the divine origin of human institutions and of the ecumene?
Examples are myths of cosmogony (origin of the world), theogony (origin of the gods), and anthropogony (origin of human beings).
One source of clues to the origin of human mating lies in our closest relatives, chimpanzees and bonobos.
Locke's aim in his essay—"to inquire into the origin, certainty, and extent of human knowledge"—involved three tasks: To discover the origin of human ideas.
Chimps and other apes, notably humans, adapted it to ask not just for food, but also for more abstract forms of help, creating a new kind of signal that some researchers believe was the origin of human language.
"Fortunately," written, directed and designed by Judith Martin, the troupe's artistic director, with the assistance of Ted Brackett, includes wonderful skits like "Bow Wow," which explains the origin of human writing in terms anthropologists have never considered.
Wallace's views differed from Darwin's in several ways, most importantly in that Wallace did not think natural selection sufficient to account for the origin of human beings, which in his view required direct divine intervention.
Only 69.9% of students considered Africa the origin of human species.
Related sites Clues to the evolution of humans' large brain Keys to origin of human culture.
