As humans have changed their behaviour during the course of history, so have viruses.

Some humans changed size or form somewhat even without crossbreeding.

The way she regarded humans had changed dramatically since her first days on the ship.

As a result the novels gives us an interpretation that humans have not changed much since then.

But in the last 120,000 years humans have changed from hunter-gatherers to hi-tech citizens.

And then the humans changed the language, over hundreds of years.

The idea that humans could change the planet's climate may be counter-intuitive, but the basic science is well understood.

What real change is it if humans change the lines on a map?

She begs him to realize that humans can change.

The science is clear and compelling: We humans are changing the global climate.