The Miracle of the United States Postal Service

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iStock

The Miracle of the United States Postal Service. It is self-sufficient, serves everyone equally, and takes its mission very seriously.

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At Sea on Taiwan’s Last Fire-Fishing Boats. The centuries-old practice relies on the sardine's attraction to light.

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How Empathetic Is Your Dog? An experiment involved 34 dogs of different breeds and how they reacted to seeing their humans in distress.

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Here's How America Uses Its Land. An interactive set of maps gives us views from different angles on the land of the 48 contiguous states.

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Inside the 23-Dimensional World of Your Car’s Paint Job. With more than 50,000 car colors, matching the original look is an art.

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Take a Mental Swim with These Live Marine Life Cams. There are eight relaxing feeds to choose from, plus a bonus for fun.

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Our Attitude Toward Aliens Proves We Still Think We’re Special. We shouldn't assume that life on other planets is anything we'd understand.

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A Brief History of the Ice Cream Truck. This is one strange vehicle everyone wants to see in their neighborhood.

Amazon's Under-the-Radar Coupon Page Features Deals on Home Goods, Electronics, and Groceries

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Stock Catalog, Flickr // CC BY 2.0

This article contains affiliate links to products selected by our editors. Mental Floss may receive a commission for purchases made through these links.

Now that Prime Day is over, and with Black Friday and Cyber Monday still a few weeks away, online deals may seem harder to come by. And while it can be a hassle to scour the internet for promo codes, buy-one-get-one deals, and flash sales, Amazon actually has an extensive coupon page you might not know about that features deals to look through every day.

As pointed out by People, the coupon page breaks deals down by categories, like electronics, home & kitchen, and groceries (the coupons even work with SNAP benefits). Since most of the deals revolve around the essentials, it's easy to stock up on items like Cottonelle toilet paper, Tide Pods, Cascade dishwasher detergent, and a 50 pack of surgical masks whenever you're running low.

But the low prices don't just stop at necessities. If you’re looking for the best deal on headphones, all you have to do is go to the electronics coupon page and it will bring up a deal on these COWIN E7 PRO noise-canceling headphones, which are now $80, thanks to a $10 coupon you could have missed.

Alternatively, if you are looking for deals on specific brands, you can search for their coupons from the page. So if you've had your eye on the Homall S-Racer gaming chair, you’ll find there's currently a coupon that saves you 5 percent, thanks to a simple search.

To discover all the deals you have been missing out on, head over to the Amazon Coupons page.

Sign Up Today: Get exclusive deals, product news, reviews, and more with the Mental Floss Smart Shopping newsletter!

Climate Change Is Coming for America’s National Parks

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iStock

Climate Change Is Coming for America’s National Parks. Imagine Glacier National Park without a glacier.

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The Chimp Who Believed She Was Human. After being raised in a human home, it took years for Lucy to learn to be an ape again.

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The Mathematical Madness of Möbius Strips and Other One-Sided Objects. A look at the history of the mind-bending field of topology

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These 1930s Housewives Were the Godmothers of Radical Consumer Activism. They protested rising food prices with the Hamtramck Meat Strike.

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Disneyland’s Fantasyland Recreated in Incredible Detail in a Basement. A railroad engineer hand-crafted his own theme park over ten years.

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The Princess Who Worked at Macy’s. The Queen of Romania also built furniture, raised poultry, and enjoyed off-roading.

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America is on the Verge of a Nursing Crisis. Our nursing schools don't have the capacity to supply our current needs, much less our future needs.

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15 Amazing Animal Reunions. It's good to know that pets lost for years might find their way home.