How Does Our Skin Turn Sunlight Into Vitamin D? We know vitamin D is good for us and that we get it from the sun, but how exactly does our skin make it? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Japan building made quake-safe by curtain of cables What’s The Brightest Thing In the Universe? What is Random? How Do We Know The Universe Is Flat? How Do We Know What the Milky Way Looks Like? Nature’s Strongest Material Comes From Sea Snails