@bigbraincell3: Sometimes the toughest questions come from the littlest people. 😂❤️ Curiosity doesn’t have an age limit—or a subject limit. From the night sky to the everyday mysteries of being human, there’s always something worth discovering. Never stop being curious! 🌌 Hair follicle anatomy: NIH-derived public-domain illustration, via Wikimedia Commons. Hair miniaturization sequence: Original educational illustration created for Brian’s Lovely Universe. #BriansLovelyUniverse #GrandpaLife #EverydayScience #NeverStopBeingCurious