Your skin color is sunlight, written on the body over thousands of years. Here's the trade-off that shaped every shade. ☀️ Melanin, latitude, and the balance between protecting folate and making vitamin D explain the range. This video was created with AI-generated visuals and voiceover. #sciencefacts #humanevolution #didyouknow #biology #learnontiktok #stickman #mindblown #humanbody
