It turns out that rats, much like humans, express sheer delight in the company of their buddies, and they've got a unique way of vocalizing their happiness – through adorable high-pitched squeaks. New research has uncovered the cheerful sounds emitted by rats when in the presence of their fellow rodents, providing insight into the emotional lives of these social … [Read more...] about Rats Make Adorable Happy Squeaks When They’re With Their Buddies