Many human induced changes are the cause for such a large population decline.

The idea that a human changes through a period of time bring us to the question of identity.

"All human change has been by sudden mutation," Joseph said.

The effect of human induced changes on this life history is unknown at this time.

Then came a change, as all things human change.

In the future, computer wars will not last long enough to take into account the rate of human change.

The species has generally fared badly with human change to the landscape.

However, it is fair to ask whether the human changes have altered the likelihood of such events.

Three forces drive most human changes - power, wealth and personal impact.

If confirmed, this would be the most recent known example of human evolutionary change.