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5 Farming Technologies That Changed the World
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Farming technologies have allowed the world to be fed, even though most people no longer farm. Only 2 percent of Americans are farmers, versus 90 percent in the 1700s. Which tools and technologies have had the most impact on farming and why?
5 Fascinating Facts You May Not Know About Westminster Abbey
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Some of the most momentous occasions in the life of the United Kingdom have taken place in Westminster Abbey, including the funeral of Queen Elizabeth II, Sept. 19, 2022.
5 Female Scientists You Should Know
science.howstuffworks.com/innovation/scientific-experiments/5-female-scientists.htm
From a centenarian brain expert to a mistress of Voltaire, each of these female scientists has an incredible story. Do you want to meet them?
5 Green Methods of Transporting Goods
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The transportation sector is the second largest producer of carbon dioxide emissions is the U.S. Is it possible to reduce emissions without stiffing the importing and exporting of goods? You'll discover the answer in this article.
5 Green Methods to Survive the Apocalypse
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The green movement isn't going to die just because the world ends. In fact, sustainable types might even have a leg up post-apocalypse. Here's how.
5 Green NASA Inventions
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NASA's technological innovations haven't just gotten us to the moon and beyond -- some have also helped make life a little greener here on Earth. What are five surprisingly grounded technologies spearheaded by NASA?
5 Groups Who Claim to Talk to the Dead
science.howstuffworks.com/science-vs-myth/afterlife/5-groups-who-talk-to-dead.htm
Move over, mediums. Lots of people say they talk to the dead, including the bereaved. Ready to meet a few others?
5 Hugely Fun Facts About Mass (Not Weight)
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Weight is the measurement of gravity's pull on an object. And it varies by location. Mass is a different beast altogether.
5 Ideas for Experiments on Conserving Energy
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About 70 percent of our energy comes from non-renewable sources like oil and natural gas. When they're gone, they're gone for good. Learn some simple ways to conserve energy through these five simple experiments.
5 Improvements in Offshore Oil Drilling
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The explosion and fire that destroyed the Deepwater Horizon drilling rig in the Gulf of Mexico in April 2010 killed 11 crew members and triggered an environmental nightmare.