1. Moral case for legal age change
2. ‘Dutchman, 69, brings lawsuit to lower his age 20 years’, BBC News. 2018 https://www.bbc.com/news/world-europe-46133262 (Accessed 5 Mar 2019).
3. ’The Age Discrimination in Employment Act of 1967', U.S. Equal Employment Opportunity Commission. 2016. https://www.eeoc.gov/laws/statutes/adea.cfm (Accessed 5 Mar 2019).
4. Fathers and Fetuses
5. ‘Einstein’s ’Time Dilation' Spread Age Gap for Astronaut Scott Kelly & His Twin’, Space.com. 2016. https://www.space.com/33411-astronaut-scott-kelly-relativity-twin-brother-ages.html (Accessed 5 Mar 2019).