holymoleculesbatman:

C20H12O5
posted 9 months ago · 31/7/2012 · 430 notes
#science #chemistry #photography #fluorescein #joker in a jar

via  matafari  (originally  thesarahjanesmith)
posted 12 months ago · 24/5/2012 · 1,183 notes
#doctor who #donna noble #ten #David Tennant #catherine tate #chemistry #they has it