> The Louvre as it looked as a fort Once, long ago, a king of’ France built a fort to protect himself. Years later, another king of France added more buildings to the fort and turned it into a…
> yeast plants > > Yeast plants are growing in the dough this baker is mixing. The small > photo shows how growing yeast cells look under a microscope. If it weren’t for a plant called yeast, we…
In most of the world, January is the first month of the year. Named for the Roman god Janus, January has thirty-one days. Long ago, the Romans had only ten months in their year. Then they added an…
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