![When you tickle rats, they laugh. Their voices are so high-pitched that you need special equipment to hear them, but once you do, you can hear their laughter right away. : r/Awwducational When you tickle rats, they laugh. Their voices are so high-pitched that you need special equipment to hear them, but once you do, you can hear their laughter right away. : r/Awwducational](https://preview.redd.it/jysm3k5m53a81.png?width=640&crop=smart&auto=webp&s=2c361d873ca5e3fdf999a0a2d5fdd316f3c7fa6a)
When you tickle rats, they laugh. Their voices are so high-pitched that you need special equipment to hear them, but once you do, you can hear their laughter right away. : r/Awwducational
![Rats can laugh, study suggests; magazine shows how science explores remote worlds - The Washington Post Rats can laugh, study suggests; magazine shows how science explores remote worlds - The Washington Post](https://img.washingtonpost.com/rf/image_480w/2010-2019/WashingtonPost/2012/07/18/Health-Environment-Science/Images/HiRes.jpg?uuid=duxJ2tEeEeGL6m3AtIeaqw)
Rats can laugh, study suggests; magazine shows how science explores remote worlds - The Washington Post
![How to tickle a rat: serious news on International Joke Day | Cristy Burne - AUTHOR AND STEM CREATIVE How to tickle a rat: serious news on International Joke Day | Cristy Burne - AUTHOR AND STEM CREATIVE](https://cristyburne.files.wordpress.com/2019/07/giggling-rats-helix.jpg)