![TIL: Bruce Alexander, an experimental psychologist, studied addiction in lab rats, and created Rat Park -- A Rat Utopian World in which rats almost always refused drugs (morphine), while rats in solitary TIL: Bruce Alexander, an experimental psychologist, studied addiction in lab rats, and created Rat Park -- A Rat Utopian World in which rats almost always refused drugs (morphine), while rats in solitary](https://external-preview.redd.it/CAr0r8KgH4bBc4G60LVWVVSdqOhu3LTHchDz0GvpITQ.jpg?auto=webp&s=20fc0464afbe9dadd86670efed5a2540826a662c)
TIL: Bruce Alexander, an experimental psychologist, studied addiction in lab rats, and created Rat Park -- A Rat Utopian World in which rats almost always refused drugs (morphine), while rats in solitary
![Rats Prefer Social Interaction to Heroin or Methamphetamine | National Institute on Drug Abuse (NIDA) Rats Prefer Social Interaction to Heroin or Methamphetamine | National Institute on Drug Abuse (NIDA)](https://nida.nih.gov/sites/default/files/images/RatsPreferSocial%20InteractiontoHeroin_Venniro_promo.jpg)
Rats Prefer Social Interaction to Heroin or Methamphetamine | National Institute on Drug Abuse (NIDA)
![The Mouse Utopia Experiments. The Horrifying Study That Predicts… | by Down the Rabbit Hole | Medium The Mouse Utopia Experiments. The Horrifying Study That Predicts… | by Down the Rabbit Hole | Medium](https://miro.medium.com/v2/resize:fit:1200/1*X8vum_bHgusVLtxFVAFs_Q.png)
The Mouse Utopia Experiments. The Horrifying Study That Predicts… | by Down the Rabbit Hole | Medium
![TIL that ethologist John B. Calhoun created "rat utopias" in order to conduct over-population experiments between 1958 and 1962. Ultimately, the experiments ended in societal collapse. : r/todayilearned TIL that ethologist John B. Calhoun created "rat utopias" in order to conduct over-population experiments between 1958 and 1962. Ultimately, the experiments ended in societal collapse. : r/todayilearned](https://external-preview.redd.it/bKxxnrLMuvGUryff6z9tnKAuI27SVZxQYEQAE1JJtTg.jpg?auto=webp&s=d6c5401937542c98e5efad0623381f569383c19f)