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Thanks for listening. Once upon a time, there were two women in a rickety blue van, driving straight into battle on the front

lines of World War I. These women weren't here to fight, though. They were here to help save soldiers lives.

Marie Curie, who was in the driver's seat, had designed this special blue van so it could hold an x-ray machine in the back,

along with an exam table, some darkroom equipment to help develop the x-ray pictures,

and an electrical generator called a dynamo so that they had enough electricity.

It was very crowded in there.

Once Marie found a safe space to park the van, her daughter Irene jumped into action.

Irene was only 17 years old, but she was just as fearless and determined as her mom. The two of them threw open the van

doors and started guiding wounded soldiers inside so they could be x-rayed and

examined.

At first the soldiers didn't know what was going on

or why these women were even there.

But Marie explained that she was the new director

of the Red Cross Radiology Unit and she knew what she was doing.

...