The colours & chemistry of some common pH indicators: http://wp.me/p4aPLT-aM
PDF download via the above link, and also available to purchase in large poster form here.
"'Twas my intention, upon leaving mine house this eve, to engage in revelry and merriment, but I now, to speak true, feel at this moment as though I am under siege."
- Mercutio, Romeo and Juliet
I came out here to have a good time, and I’m honestly feeling so attacked right now.
The Ladies of Tumblr photoset
That last one though