They became scientists and thinkers, experimenting on the worlds around them.

So clearly some scientists at the time were experimenting with a strange form of gold.

Meanwhile, American scientists have been experimenting with other renewable energy, including solar power.

In the 20th century, scientists around the world experimented with Eucalyptus species.

Several American scientists then experimented with ways to do the same with human blood.

Five hundred years ago, our scientists were experimenting with matter transmission, what you call transporter technology.

Scientists have experimented in recent years with machines meant to use brain waves to tell if someone is lying.

Scientists are experimenting with ways to enrich cord blood samples so that they can be used in adults.

He is seen with the General when his scientists are experimenting on Brainiac.

For many years, engineers and scientists have been experimenting with a variety of ways to extinguish or control the fires.