Saddest Death

I think the saddest death is the death of a twin.

Dirt

People are buried in the ground when they die, but plants are buried in the ground to be born.

Infanticide

Almost everything is an infanticide. Even just a puddle.

Reusable Cans

This might exist already but if you had some type of device that would reseal a metal coke can.

Eugenics

I don't understand why eugenics isn't practiced more openly on people.

Traditions

I think that traditions are more important for people who are less skilled at expressing themselves freely.

Relationship Value

When the value of a relationship is greater than the potential difference in potential mate quality times the potential time for relationship; marriage should occur.

Slave Suicide

I wonder what the rate of suicide among slaves is. I wonder how you would figure that out it probably isn't well or accurately documented? Although I would imagine for business purposes in those times an estimate would have useful so there might be data used for those purposes.

5 Character Book

I think an interesting book would be a collection of stories about 5 people. Each story being told by one of the other 5 people with a total of 16 stories.