Cryogenics

Should the technology ever become a reality and frozen humans successfully warmed up in a future time, what might be the effect? A real throwback scenario.

Whatever the evolution of the species had produced today could be sent back into the past countless years by re-introducing something that had been successfully discarded.

It's quite frightening to imagine man's cleverness ultimately being his own destruction.

Not cleverness: stupidity. Man's capacity for egotistical thinking is limitless.

Always ask yourself who benefits by a change. Then you will get closer to the reason for that change.