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How Much Do You Know About Cars From the '50s, '60s and '70s?
play.howstuffworks.com/quiz/how-much-do-you-know-about-cars-from-the-50s-60s-and-70s
They certainly don't make them like they used to! But just how much do you remember about the classic car models from the '50s, '60s and '70s? Enough to ace this quiz?
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?
The Meaning and Significance of Angel Number 321: A Guide to Positive Change and New Beginnings
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/321-angel-number.htm
The 321 angel number appears when you're about to experience a complete reversal of fortune. Discover the hidden meaning behind this rare numerical sequence and why your guardian angels are using it to prepare you for an imminent breakthrough.
How Old Do You Really Look?
play.howstuffworks.com/quiz/how-old-do-you-really-look
Your habits, your personality, and your choices all contribute to the way you look! Tell us about yourself, and we'll tell you how old you look. Will it be younger than you really are?
Which "Luther" Character Are You?
play.howstuffworks.com/quiz/which-luther-character-are-you
"Luther" is a shadowy, immersive experience populated with characters whose most disturbing feature is that they are so much like us. Are you a hero with a dark side or a twisted villain whose origins are more mundane than one would think?
Which "Gurren Lagann" Character Are You?
play.howstuffworks.com/quiz/which-gurren-lagann-character-are-you
Are you a hot leader like Yoko? A bashful hero like Simon? Or a brave bae like Kamina? Tell us all about yourself and we'll reveal which "Gurren Lagann" character is your personality twin!
What Is Number Theory?
science.howstuffworks.com/math-concepts/number-theory.htm
For many of us, a number is just a number, a bit of information that tells you, say, what time it is. But mathematicians look at that same number and divine relationships that underlie nature itself. Ready to enter the trippy world of number theory?
Are You a Finding Nemo Expert?
play.howstuffworks.com/quiz/are-you-a-finding-nemo-expert
You'll need to use your noggin for this quiz, dude. The 2003 Pixar film has led to memes, inspiring quotes and the cutest of plush toys. But how much do you really know about "Finding Nemo"?
How did public fountains, like those in Rome, work without any type of motor to pump the water?
science.howstuffworks.com/engineering/structural/question33.htm
Rome is famous for having large public fountains that work without the use of any kind of mechanized pump. How were these fountains able to generate enough water pressure without a motor? Check out this article for the answer to this question.
Junkers Ju 87 Stuka
science.howstuffworks.com/junkers-ju-87-stuka.htm
The name for the Junkers Ju 87 Stuka derived from Sturzkampfflugzeug, the generic German word for dive-bomber. So famous was the Junkers Ju 87 that the term Stuka came to be identified with it in Western eyes. Read the specs and uses for the Stuka.