SciShow
The Evolution of Male Homosexuality
Hank goes from space to sex and then to motherhood, covering the SpaceX launch, a mission to the moons of Jupiter, intersexual workplace rivalries, the evolution of male homosexuality, the fossil evidence of squishy baby skulls, toddler...
Organizational Communication Channel
Interpersonal Attraction Top 4 Factors
Research on Interpersonal Attraction explains why we end up with specific friends and significant others in our lives in close relationships. We explain what it is and give examples.