Puppies tussle in the annual Puppy Bowl. Kids start a game of tag in a schoolyard. Play has been observed and documented in many species — and not just in mammals. However, according to Dr. Michael ...

Rats make a high-pitched sound similar to laughter when they're being tickled. Pexels / Denitsa Kireva Rats, they’re just like us: The oft-maligned rodents love to play games and be tickled, and ...

Beccy holds a PhD in Biological Science, a Master’s in Molecular Biology of Parasites and Disease Vectors, and a Bachelor’s in Human Biology and Forensic Science. Beccy holds a PhD in Biological ...