Hearing capability: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC454200/
Handedness: https://www.sciencedirect.com/science/article/pii/S1090513809000221?via%3Dihub (This one's behind a paywall but you may be able to access it through a university library if you're attached to one)
FOXP2: https://academic.oup.com/mbe/article/30/4/844/1067945
Tom Björklund's art: https://www.facebook.com/tombjorklundart
The film grain pack, code SR25: https://visualfxpro.com/products/super-8-film-grain?fbclid=IwAR0bYL_NZIRAh9oQSEnKU3yU3uYxCJQ_KNQ7k_DdZGLokaExwyaioaH3bmU