An “in-group” is a group you are part of (genetically, culturally, or ideologically), while an “out-group” is a group you aren’t part of.
Society and Social Sciences is a broad category referring to the relationships between networks and groups of people, and the study of this.
We explain “the left-right political spectrum” by applying the terms “left” and “right” to a number of “left-right paradigms”.
Conspiracy theories are sets of one more speculative hypotheses, backed by fallacious reasoning, that suppose a conspiracy.
In pop-science, in reference to the brain, you’ll hear the terms “hardwired” and “softwired”, hardwired means genetically programed and softwired means learned.
Collective intelligence is the wisdom of crowds, or the intelligence of groups, the intelligence that arises from cooperation, competition, and other group dynamics.