published on: 2015-05-04 06:41:06
compoundchem: This Week in Chemistry: how bombardier beetles
salon: When we sleep, wrote English psychiatrist Havelock Ellis
cute-overload: Cat: Here’s a hug for you big cat. Dog: Thank
fuckyeahhistorycrushes: Konstantin Tsiolkovsky (1857-1935) was
Bulgarian Archaeologist Finds Ancient Roman Jacuzzi Heater
icedstylus: Aurora Borealis by -Ragnar TH- #photostackr Flickr: