Another scientist prepares the centrifuge (foreground), which spins samples to separate particles in preparation for testing.

A second test of bacteria genetically altered to inhibit frost began today as scientists prepared to plant potato seeds treated with the strain.

Planetary scientists prepared for a yearlong study of the asteroid's geology, seeking clues to the formation of the solar system.

The local people and scientists prepared for a big eruption, but the lava dome did not collapse.

As the three scientists prepare the dragon carcass to be packed up and shipped to England, they perform one final check to see if they missed anything.

The smaller explosion proved an invaluable experiment that helped scientists prepare instruments in time to study the atomic bomb explosion two months later.

Dunbar and Fugelsang believe it is because the scientists have prepared good experiments, but also have "prepared minds".

The scientists are preparing for eventualities.

On the left, scientists are preparing to activate the pressure machine with detonators on the other.

This has occurred in spite of the fact that Hungarian scientists had prepared and successfully tested the vaccine against the current H5N1 virus.