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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?
10 Oddball Questions Scientists Have Genuinely Tried to Answer
On its good days, science is incredible and enlightening. On its bad days, science can be anywhere from gross to downright bizarre. What are some of science's craziest questions? (And why did anyone want to answer them?)
How Exorcism Works
science.howstuffworks.com/science-vs-myth/afterlife/exorcism.htm
If you've seen the movie "The Exorcist," you have some idea of what exorcism is. But is it real, or are there other explanations for what some people call "possession"? Learn why a priest might perform an exorcism and more.
How Does a Breathalyzer Work?
electronics.howstuffworks.com/gadgets/automotive/breathalyzer.htm
A roadside sobriety test of touching one's nose or walking a straight line cannot rule out a high blood alcohol concentration. That's why the Breathalyzer is such a game-changer. But how does a Breathalyzer work? Read on to find out!
How THX Works
entertainment.howstuffworks.com/thx.htm
When you see the THX logo splashed across a movie screen, you know you're in for an audio feast. But what does that logo mean? Find out what THX is and why it improves your movie experience.
We'll Be Impressed If You Can Name Even 11 of These Trees From Their Leaves
If not for trees the world would be a much less scenic place, don't you think? They may not get the attention that flowers do but they still deserve recognition. Why not climb the branches of this quiz and see how many you recognize?