Anthropologist Donald E. Brown’s landmark book Human Universals points out over 200 behavioral and cognitive features it is suspected are common to all human beings. The list is very instructive for thinking about this species that we so happen to have been born into, and how it might be different from future species we engineer or otherwise create. Here are a few of the more interesting ones:

  • tabooed foods
  • childhood fear of loud noises
  • husband older than wife on average
  • anthropomorphization
  • reciprocal exchanges (of labor, goods, or services)
  • dreams, interpretation of
  • statuses on other than sex, age, or kinship bases
  • onomatopoeia
  • magic to win love
  • language, prestige from proficient use of

See the full list here. Human cognitive biases may also be universal. Also related is the search for a list of inductive biases.