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How Ghosts Work
science.howstuffworks.com/science-vs-myth/afterlife/ghost.htm
Ghosts are the spirits of dead people that have either returned from the afterlife, or not moved on to it. Learn about ghosts and explanations for ghosts.
What Is a Performance-enhancing Drug? Here Are 10 Examples
science.howstuffworks.com/10-performance-enhancing-drugs.htm
The list of superstar athletes accused of - and admitting to - taking performance-enhancing drugs is almost as impressive as the number of sports that they compete in. And we're not just talking about steroids.
Three Famous Hypotheses and How They Were Tested
science.howstuffworks.com/innovation/scientific-experiments/hypothesis.htm
From Isaac Newton to Ivan Pavlov, scientists have developed and tested hypotheses through carefully crafted experiments for centuries. Here are three groundbreaking hypotheses and the predictions they tested.
Skin Type Image Gallery
health.howstuffworks.com/skin-care/information/skin-types/skin-type-pictures.htm
How much do you know about skin types? Do you know your skin type? Scroll through these pictures to learn about skin types.
You've Heard of Smallpox, But What Was the Great Pox?
entertainment.howstuffworks.com/arts/literature/pox-on-that-refers-to.htm
HowStuffWorks looks at the surprising relationship between syphilis and smallpox.
How Colony Collapse Disorder Works
animals.howstuffworks.com/insects/colony-collapse-disorder.htm
Colony Collapse Disorder refers to the disappearance of bees from their hives. Learn what Colony Collapse Disorder is and how it affects agriculture.
How Mahjong Works
entertainment.howstuffworks.com/leisure/brain-games/mahjong.htm
Mahjong is a strategy game that originated in China. Visit HowStuffWorks to learn all about Mahjong.
How to Lose Weight on a Low-Carb or Glycemic-Index Diet
In recent years, diet experts have seized upon carbohydrates as a culprit in many weight problems. Here, in response, are four high-protein diets.
Breaking the Law to Enforce It: Cops and the Supreme Court
people.howstuffworks.com/breaking-the-law-enforce-it-cops-the-supreme-court.htm
The Supreme Court just issued a ruling that could affect the Fourth Amendment rights of the average American. Host Ben Bowlin explains in this video.
Has Earth reached its carrying capacity?
science.howstuffworks.com/environmental/green-science/earth-carrying-capacity.htm
Carrying capacity is the idea that sustainability requires balance. Learn about carrying capacity and human population.