Uluru path crossing a sacred traditional Dreamtime track, and also due to a sense of responsibility for the safety of visitors. The visitors guide says "the climb is not prohibited, but we prefer that, as a guest on Aṉangu land, you will choose to respect our law and culture by not climbing." According to a 2010 publication, just over one-third of all visitors to the park climb Uluru; a high percentage of these were children. A chain handhold added in 1964 and extended in 1976 makes the hour-long climb easier, but it is still a steep, hike to the top, where
Genetic sexual attraction the hypothesis to occur as a consequence of genetic relatives meeting as adults, typically as a consequence of adoption. However this is a very rare consequence of adoptive reunions. Incest is extremely rare between people raised together in early childhood due to a reverse sexual imprinting known as the Westermarck effect, which desensitizes them to later close sexual attraction. It is hypothesized that this effect evolved to prevent inbreeding. Although reported frequently as anecdote in the field of psychology, there are no studies showing that people are sexually attracted to those genetically similar to them. Studies of MHC genes show