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How Laser Analysis Works
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Laser analysis is advancing everything from forensics and archaeology to health care and art history. Learn how laser analysis technology works.
5 Reasons Parasites Are Beneficial to Earth
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You probably think all parasites are disgusting little critters, but that's not always the case. Several are actually critical to the planet.
10 New Uses for Old Inventions
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You think you really know an invention until -- whammo -- someone comes up with a new use for it. Ointment that soothes tired cow teats and treats baldness? Who would have thought?
How Do Bacteria Reproduce?
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Bacteria are both friend and foe to humanity. They cause and cure health problems, make rotting food stink and give sourdough its delicious taste. Find out how these countless tiny microbes accomplish all of this and more.
What Did Isaac Newton Discover? 10 of Sir Isaac Newton's Inventions
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Almost 300 years after his death, Sir Isaac Newton remains one of the most influential thinkers in history. What are some of his most enduring inventions?
10 Reasons Why Space Exploration Matters to You
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Yes, we have some amazing inventions thanks to space exploration, and we're curious about life on other planets. But the cosmos also touches a deeper part of our psyches. Here are 10 reasons space exploration matters to you.
How DNA Evidence Works
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DNA evidence is explained in this article from HowStuffWorks. Learn about DNA evidence.