When the room was checked and scientific controls were introduced no flowers appeared.

Often one compares against a scientific control or traditional treatment that acts as baseline.

The importance of scientific controls to limit factors under test is well established.

In this manner the Cubalaya was created, independent from any scientific control.

As a scientific control, they let other embryos grow without any injections.

He readily agreed to act as a sort of scientific control.

In this trial, 3,273 men had taken part, and all scientific controls were observed tightly.

As a scientific control, the second group received a version made inactive by heat treatment.

The new rules will cut down the time it takes to review an application without changing any of the scientific control.

The other group served as a scientific control and was made up of 26 women without the condition.