fermentation selected microorganisms acids alcohol preserve food

Microbes preserve food by making acids or alcohol

During fermentation, selected microbes turn parts of food into acids or alcohol. These substances make it harder for many harmful or spoilage-causing microbes to grow, helping the food last longer.

Slavery persisted despite legal bans

~40 million people

In 2019, an estimated 40 million people worldwide were enslaved, even though slavery was illegal in every country. Children made up 26% of that total.

France created a government with no easy way out of a deadlock

After the French Revolution, France created a government called the Directory. Its leaders could not simply call new elections, while lawmakers could block their plans. When the two sides became stuck, the system had few peaceful ways to solve the conflict, so the government repeatedly turned to decrees and the army.

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fermentation selected microorganisms acids alcohol preserve food

Microbes preserve food by making acids or alcohol

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