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How do Polygraphs Work?
How do polygraphs help to determine whether an individual is lying or not, and is it possible to cheat them by altering emotional responses?
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The Hexagon on Saturn
How can the mysterious hexagonal weather system on Saturn be explained? Does it represent the importance of tetrahedral geometry?
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The Return of CJD
How likely is it that there will be a second wave of CJD cases, and is there anything we can do to lessen the impact if it happens?
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Is Dirt Good For Us?
For the last 100 years, we've sought to eradicate dirt from our lives? But has there been negative side effects, and is it time to bring dirt back?
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The Discovery of Dark Matter
In late 2009, new evidence of Dark Matter was discovered? What does this tell us about the fundamental architecture of the universe?
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The Phantom of Heilbronn
What does the case of the mysterious Phantom of Heilbronn, who was hunted for almost two decades, tell us about the use of DNA evidence?
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Asteroid Collisions
Why have we still not developed an effective planetary defence system, despite repeated close calls with passing asteroids?
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Space Debris
Does falling space debris pose a risk to people on Earth, and what steps can be taken to ensure that we are protected from such a danger?
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History of the Space Shuttle
How has the space shuttle helped America remain at the forefront of space exploration, and will the shuttle fleet really be retired in 2010?
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More essays soon!
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