Ever wondered why your dog is so fond of sniffing another’s pee? 'The urine is the carrier service, the equivalent of Outlook or Gmail,' explains Laura Parker.

Ah, Bob’s been here: dogs can tell status, diet, age and sex with a discerning sniff.
Ever wondered why your dog is so fond of sniffing another’s pee? 'The urine is the carrier service, the equivalent of Outlook or Gmail,' explains Laura Parker.