Or the old humans wouldn't have known to put it on the wall.

But there were also older humans and, to the Klingon's surprise, a number of small children.

The old humans who were exposed to it found their health was suffering.

The few survivors reported that the old humans had killed the settlers because of what they were.

"The old humans have already found out about the plague?"

The old humans will fight to win, no matter what the cost.

We'll raise the old humans to our level, which will do them good.

Unless you want to kill off all the old humans?

If that loss had any effect on the old humans it ended in a matter of seconds.

The theme of these works is that we can get along with old humans.