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Can You Identify These Crystals and Gemstones?
play.howstuffworks.com/quiz/can-you-identify-these-crystals-and-gemstones
Crystals and gemstones are majestic things found in nature. Of course, they can be grown outside nature, but the most beautiful, rare and valuable ones come right from the earth. Think you can identify all of them? Take our quiz to find out which ones you can identify!
Why Photosynthesis is Important
science.howstuffworks.com/science-vs-myth/what-if/what-if-photosynthesis-stopped.htm
Remember learning about photosynthesis when you were a kid? Let's pretend for a moment that this vital process could somehow permanently stop. How tough would it be to continue to live on this Earth?
How to Make a Gurgling Kettle
recipes.howstuffworks.com/menus/how-to-make-a-gurgling-kettle.htm
Making a gurgling kettle will complete your Halloween decorations and costume. Learn how to make a gurgling kettle at HowStuffWorks.
Why DNA Evidence Can Be Unreliable
science.howstuffworks.com/why-dna-evidence-can-be-unreliable.htm
DNA found at a crime scene doesn't automatically mean the person matching it is guilty, say researchers of new forensics guide.
How Laser Communication Works
science.howstuffworks.com/laser-communication.htm
When speed is everything and light marks the universe's speed limit, lasers are bound to be the answer. At least, that's what NASA and a bunch of Wall Street types are betting on.
The Flower Identification Quiz
play.howstuffworks.com/quiz/the-flower-identification-quiz
Flowers are one of the few things in this world that can convey hundreds of feelings. But while you may know what they mean, do you know what they are called? Find out if you can correctly identify all the flowers in this quiz!
How Rail Guns Work
science.howstuffworks.com/rail-gun.htm
Rail guns leave gunpowder-based weapons in the dust (one can hit a target 250 miles away in six minutes). So why isn't the military using them? Find out how rail guns can be used and learn about the limitations of this technology.
Ridiculous History: Arsenic Was the Assassin's Dream Weapon
Why was arsenic used so often in assassinations? Read this ridiculous history to learn more about the lethal drug and its role in assassinations.
Can we create a real Jurassic Park?
science.howstuffworks.com/life/genetic/real-jurassic-park.htm
Is a real Jurassic Park possible, or is the idea purely science fiction? Learn about creating a real jurassic park in this article from HowStuffWorks.
Could You Dig a Tunnel Right Through the Center of Earth?
science.howstuffworks.com/environmental/earth/geophysics/question373.htm
Let's say you have a lunch date to make - and it's on the other side of the planet. Wouldn't it be convenient to pop down a hole through Earth's innards? But what would really happen if you did?