Changes in the facial expressions of mice can be hard for the human observer to make out, so researchers used machine learning.
Even when everything's going great in your relationship, deep down you likely harbor some ambivalence toward your partner. Psychology research suggests it's not just OK, but normal.
These four-legged friends are far more intelligent than you might think.
In a Stanford experiment, children wore the glasses for at least 20 minutes three times a week.
It wasn't clear if social media played a role in the epidemic of loneliness in America.
Researchers observed more than 2,500 embraces at an airport's departures and arrivals areas for their data.
Embedding sustainable ideals into everyday life is fraught with difficulties.
The strange emotional truths contained in Pixar's latest film.
Tech company Thync have released a device which they claim can calm you down or pump you up.