What genetic secrets set us apart? In the human evolution story, Homo sapiens’ distinct abilities in imitation, altruism, communication, and social learning make us unique.
The Nazca lines are still mysterious even after decades of being carefully studied. Archaeologists believe they know how they were made, but why they were made remains uncertain. Recently, researchers have suggested that the lines were related to fertility rituals involving the availability of water.
Homo Sapiens represents the last of a long line of hominin races that once consisted of five different species spanning four continents. Today, we are the last humans, that is, the last of the genus Homo. Our closest living relatives are chimpanzees and gorillas. We, however, stand out in many ways from them. We have unparalleled capacities for abstract thought, language skills, and social cohesion.