Are dogs good or bad for fertility?
In August last year, I wrote a post about our then new study about people's pet preferences and various human differences: Prior research found that pet preferences and ownership relates…
Do you like dogs, cats, both, or neither?
Back in March I published this study of pet preferences and human psychology: Kirkegaard, E. O. (2025). Do You Like Dogs, Cats, Both, or Neither? An Examination of Western Dating…
Is spanking your kids good or bad for them?
Administering physical (corporal) punishment has a long history. Public flogging or whipping used to be commonplace, and now they are mostly illegal, and we regard foreign countries who employ these…
Of cats and dogs and men
Genetic variation between populations/races of a species is a nice single summary statistic about how large between population phenotypic differences to expect. In case of humans, this value (Fst, the…
Review: The intelligence of dogs
The Intelligence of Dogs A Guide to the Thoughts, Emotions, and Inner Lives of Our Canine Companions Stanley Coren 320p This book is not very technical, has almost no…