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How Gold Works
science.howstuffworks.com/gold.htm
We love it. We wear it glittering around our necks and sparkling at our ears, wrists and feet. We pass it down to our children and hoard it in secret stashes. Why is this precious metal so prized?
How the UPC Code Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/upc.htm
Nearly every item that you purchase from a grocery store, department store, or mass merchandiser has a UPC code on it somewhere. Ever wondered why? Let's find out how the average UPC code works!
The 'Stardew Valley' Quiz
play.howstuffworks.com/quiz/stardew-valley-quiz
It's one of the biggest games on Steam, with no sign of slowing down. Take our quiz to find out why the "Harvest Moon"-like "Stardew Valley" is so much more than just another sim game!
Which Car Best Fits Your Personality?
play.howstuffworks.com/quiz/which-car-best-fits-your-personality
We use our cars so much they become part of us! That's why it's important that our personalities and our cars match. Let's find out which kind of car you should be driving!
It's a Manatee's Life: Swim, Eat, Rest, Repeat
animals.howstuffworks.com/mammals/manatees.htm
Manatees are so gentle and sweet they'll break your heart, but in 2021, there have been more manatee deaths than in any year in previously recorded history. Why are these gentle giants dying in such unprecedented numbers?
The Ultimate Smart Homes Quiz
play.howstuffworks.com/quiz/smart-homes-quiz
If you're so smart, why would you need a smart home? The answer is for a variety of reasons, including saving energy costs, personal safety, even greater comfort. Take this quiz and see the smartest things in homes.
How Kin Selection Works
science.howstuffworks.com/life/evolution/kin-selection.htm
We're used to taking the phrase "survival of the fittest" to mean it's an "every man for himself" world. But some animals (like worker bees) sacrifice themselves to ensure their species lives on. Why would they do this?
How the Old Napster Worked
computer.howstuffworks.com/napster.htm
While the original Napster got sued out of business, dozens of free file-sharing utilities have popped up to task its place. Find out how the old Napster worked and why it was vulnerable to legal attacks.
What are the challenges of reducing solid waste?
science.howstuffworks.com/environmental/green-science/reducing-solid-waste.htm
Landfills have long been the final destination for garbage, but as they start to fill up, we're left to find ways to reduce our waste. What challenges are involved, and why isn't reducing waste as easy as it sounds?
How Tessellations Work
science.howstuffworks.com/math-concepts/tessellations.htm
Mathematics achieves the sublime. Sometimes, as with tessellations, it rises to art. In their simplest form, tessellations consist of a single shape that repeats over a two-dimensional plane without any gaps. Why was M.C. Escher so fixated on them?