Humans don't evolve, we bring noting to the table of life and dont want to share.

That whatever species ends up dominating the earth with tools and technology branches out from bonobos instead.

Instead of leap days time just runs backwards to keep the calendar in sync.

Fell asleep thinking of a question similar last night. No colonialism. Colonizing other lands outside of your own established borders would be forbidden.

How different the world would be.

The asteroid doesn't hit Earth in the late Cretaceous causing the extinction of the non-avian dinosaurs.

Every living creature is entitled to an equal portion of useful surface area of the earth proportional to their size and space requirements.

Not like that has anything to do with us possibly living out of a car next year if rent rises 30% again for the 3rd year running.

Fuck landlords hoarding property.

Jenkins never existed.

Carbon is no longer an element and doesn't exist.

no gravity.

Cant lie

Magic existing

Is hard to pick one.

Altruism is the default instead of selfishness

Cancer doesn't exist

No harm could come to children. No one would have wicked thoughts towards them. They'd fully recover from any non-lethal injury. They could get sick.