(Gillian Brockell/The Washington Post)
Up next in Health and Science
promo
4:05
How cicadas will impact you, your pets and your summer
1 week ago
promo
2:04
At an airport in Finland, dogs are sniffing for the coronavirus
September 22, 2020
promo
2:49
A group of doctors and researchers are training dogs to sniff out covid-19 — and it's working
August 18, 2020
promo
3:50
Covid-19 stands between environmental group and the kids they hope to educate
July 30, 2020
Health and Science

Do dogs prefer their owner's praise over treats?

August 17, 2016 | 3:20 PM GMT
Here's how Gregory Berns, a neuroscientist at Emory University, went about answering the age-old question about man's best friend.