How Atlantic Hurricanes Form in the Sahara

Hurricanes start forming for the US when hot air over the Sahara is released into the North Atlantic.
ThoughtCo. | Lifelong Learning
Science
How Atlantic Hurricanes Form in the Sahara
The Sahara, whose land mass is almost that of the continental United States, is the largest "hot" desert in the world and covers 10 percent of the African continent. So what does it have to do with hurricanes?
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Why Do Bruises Change Color?

You've likely gotten enough bruises to know they undergo some pretty freaky color changes during the healing process.
ThoughtCo. | Lifelong Learning
Science
Why Do Bruises Change Color?
Even if you're not clumsy, you've likely gotten enough bruises to know they undergo some pretty freaky color changes during the healing process. So why do they change colors? And how can you tell when one isn't healing correctly?
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