DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.

How many people are aware that a dancer with the New York City Ballet typically wears out a minimum of two hundred pairs of toe shoes per year?

The Salk vaccine is a major factor in the fight to eradicate polio.

The wheels of the first road vehicles were fashioned from crude stone disks.

Some cosmetics manufacturers attempt to capture the rose's unmistakable fragrance香味 in soaps and perfumes.