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How DNA Evidence Works
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DNA evidence is explained in this article from HowStuffWorks. Learn about DNA evidence.
Commercial Ancestry Tests Can Reveal How Much Neanderthal DNA You Have
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At least two commercial DNA testing services offer users information on heritage coming from coupling between ancient humans and other species.
Why DNA Evidence Can Be Unreliable
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DNA found at a crime scene doesn't automatically mean the person matching it is guilty, say researchers of new forensics guide.
Who’s Your Daddy? The History of Paternity Testing
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Before the widespread use of DNA, establishing the paternity of a child was a tricky business. Ever heard of the oscillophore?
How Impression Evidence Works
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Impression evidence is an important and sometimes overlooked aspect of the criminal investigation process. Find out about impression evidence here.
Prokaryotic vs. Eukaryotic Cells: What's the Difference?
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Prokaryotic cells are like single-room efficiency apartments while eukaryotic cells are like mansions with many rooms — and they are the only two kinds of cells in the world.
Paul Berg
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Berg, Paul (1926-), an American biochemist and molecular biologist, has been at the forefront of genetic engineering, both as an inventor of a pioneering procedure and as an advocate concerned about the risks of genetic research.
Crumple Theory: We Can Learn a Lot From How Paper Crumples
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Crumpling is a physical process that occurs when a thin sheet is forced to adapt to a smaller space and is seen in everything from DNA packing in a cell nucleus to the formation of mountains.
Are we 10 years away from artificial life?
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Artificial life could exist as soon as 10 years from now, according to an Associated Press article published in 2007. Learn about artificial life.
Are we looking for aliens in the wrong places?
science.howstuffworks.com/weird-life.htm
Weird life may be organisms that don't depend on water or that don't have DNA at all. Find out how scientists are searching for weird life forms.