A recent study found that goats can differentiate between human facial expressions and prefer to interact with happy people. – WTF Fun Facts
Source: https://phys.org/news/2018-08-goats-happy-people.html
happy
the mathematical equation for happiness wtf fun
The mathematical equation for happiness – WTF fun facts
why dogs get happy to when they see their owner
Why dogs get happy to when they see their owner – WTF fun facts
