References

• https://www.gse.harvard.edu/news/uk/18/06/summertime-playtime

• https://www.cell.com/current-biology/pdf/S0960-9822(14)01121-X.pdf

• https://www.sciencedirect.com/science/article/pii/S0960982214

• https://www.sciencedirect.com/science/article/pii/S0003347222002366#011233

• https://www.discovermagazine.com/planet-earth/bumble-bees-like-to-play-just-for-fun

• https://www.sciencedirect.com/science/article/pii/S0003347222002366

• https://www.simplypsychology.org/brain-reward-system.html

• https://www.ncbi.nlm.nih.gov/books/NBK92798/

• https://www.livescience.com/57509-bumblebee-facts.html

• https://rewardfoundation.org/brain-basics/reward-system/

• https://www.forbes.com/sites/johnkoetsier/2020/01/18/digital-crack-cocaine-the-science-behind-tiktoks-success/

• https://www.yalemedicine.org/news/how-an-addicted-brain-works

• https://www.youtube.com/watch?v=f7E0mTJQ2KM&ab_channel=Neuro

• https://www.health.harvard.edu/mind-and-mood/feel-good-hormones-how-they-affect-your-mind-mood-and-body