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Thomas Edison Inventions: What Did He Invent?
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With more than a thousand patents for inventions ranging from light bulbs to cement, Thomas Edison was one of the world's most prolific tinkerers. What did Edison dream up?
Does smiling make you happy?
science.howstuffworks.com/life/inside-the-mind/emotions/smiling-happy.htm
Can smiling make you happy? Take a look at research and explanations behind whether or not smiling can make you happy.
Top 5 Innovations in Oil Drilling
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Oil drilling has been around for more than a century. But because of the numerous developments in the technology, it has grown leaps and bounds in that time.
The Mosquito Alarm May Be Breaching Your Human Rights
science.howstuffworks.com/mosquito-alarm-may-be-breaching-your-human-rights.htm
That is, if you're under the age of 25 and your hearing's intact.
What Is a Group of Dragons Called? It's Almost Too Obvious
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Dragons fill stories, games and legends across the world, so it makes sense that people often wonder, "What is a group of dragons called?" Unlike cats or birds, dragons are invented creatures, which gives language a little more freedom.
10 Different Types of Laughter
science.howstuffworks.com/life/inside-the-mind/emotions/5-types-of-laughter.htm
From giggles to guffaws and chuckles to cackles, humans laugh in a lot of different ways. But what do each of those laughs mean, and are they all related to humor?
Will Brain-computer Interfaces Make Knowledge Streamable?
science.howstuffworks.com/brain-computer-interfaces.htm
Could a computer chip implanted in our brains make the necessity of actually learning anything, like a language, obsolete because knowledge will be available for streaming 24/7?
How Submarines Work
science.howstuffworks.com/transport/engines-equipment/submarine.htm
Not so long ago, the world's naval forces worked entirely above water. But all that changed with the addition of the submarine to the standard naval arsenal.
Stored Energy Methods (Other Than Rechargeable Batteries)
science.howstuffworks.com/environmental/energy/question247.htm
One way to store energy is to use a battery, but what other ways can we store energy? Learn about different ways to store energy at HowStuffWorks.
How Fear Works
science.howstuffworks.com/life/inside-the-mind/emotions/fear.htm
Fear is the brain's reaction to a stimulus where chemicals are released that raise the heart rate. Learn about fear and the different fear responses.