Why the veins in your wrist are blue. Mind: blown. Not because I thought deoxygenated blood was … [link]
January 26 2012, 12:14am
Via: https://plus.google.com/114583906466075341781/posts/3BkfaoWR4GP
blog comments powered by Disqus
January 26 2012, 12:14am
Via: https://plus.google.com/114583906466075341781/posts/3BkfaoWR4GP