ursulavernon:thebrainscoop:somuchscience:Valentines from a biologist’s perspective.See more of my si
ursulavernon:thebrainscoop:somuchscience:Valentines from a biologist’s perspective.See more of my silly science valentines here.Happy Valentine’s Day, tumblr!I always admire my husband’s low parasite load.These are the only Valentines I will accept. -- source link