A new study is linking brain behavior to silly playtime practices. And they have lab rats laughing out loud to prove it.In the video above, you can hear tiny high-pitched giggles from a rat being ...
"Tickling the rat" has got to be a euphemism for something. But it's also a way of studying the neurobiology of depression. At least that's what Wöhr et al say in a new paper. They started from the ...
(CNN) — Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Puppies tussle in the annual ...
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