| Name | URL |
|---|---|
| Psychology's 10 greatest case studies digested | https://digest.bps.org.uk/2015/11/27/psychologys-10-greatest-case-studies-digested/ |
| What Twins Can Teach Us About Nature vs. Nurture | https://www.nytimes.com/2018/08/20/well/family/what-twins-can-teach-us-about-nature-vs-nurture.html |