“Plenty of research has investigated the bond between humans and dogs, demonstrating that canine companions can improve people’s moods, reduce blood pressure and lower levels of the stress hormone cortisol. Just looking dogs in the eye may even boost levels of oxytocin, a hormone associated with feelings of love and trust.” Playing with dogs helps people concentrate and relax, brain recordings show. They tested my brain’s reaction to my beagles’ howling, but the dogs ate most of readout (and I ate the rest).

+ To celebrate Pi Day, here’s our annual look back at my wife reciting the first 314 digits of Pi while taking tequila shots.