The study of artificial life is a new frontier in science.

He is exploring the new frontier of science.

The time has come to start a new challenge.

Life is precious.

This park has a man-made lake.

He is researching about a new energy source.

He is conducting research on a new energy source.

He loves science classes.

There is a possibility that unknown lifeforms exist on this planet.

His work is full of vigour.