The video "Origin of Everything: Why Do Women Shave Their Legs?" explores the historical and cultural evolution of hair removal practices among women. It discusses how societal norms and wartime circumstances, particularly during World War II, influenced the shift towards hairlessness as a beauty standard for women. Key historical points include the introduction of the first women's razor by King Camp Gillette in 1915, and how nylon shortages in WWII led to more exposed legs and increased shaving practices. The video also highlights cultural variations in hair removal through history, like ancient Egyptian practices and modern-day religious beliefs. This educational content is essential for understanding the intersection of culture, history, and gender roles, making it highly relevant in discussions about body image and societal expectations.