Prenatal:

Infancy:
http://www.amazingbaby.com
http://www.babyparenting.about.com/cs/childdevelopment/
http://socialpsychology.org/develop.htm
 

Childhood:
http://socialpsychology.org/develop.htm
http://www.babyparenting.about.com/cs/childdevelopment/
https://www.npr.org/sections/ed/2018/05/24/611609366/whats-going-on-in-your-childs-brain-when-you-read-them-a-story

Adolescence:

Adulthood:

Elderly:
http://pfleischer.com/n01links/n01ElderlyInspiration.html

All:
http://www.mc.maricopa.edu/dept/d46/psy/dev/
 
 

more stuff later as you bring me more sites