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Why Some People Faint When They See Blood
science.howstuffworks.com/life/inside-the-mind/human-brain/why-people-faint-sight-blood.htm
What's the science behind fainting at the sight of blood? This BrainStuff video takes a look at the brain's internal toggle switch making some people hit the floor.
Not a Coffee Fan? That Could Be Genetic
recipes.howstuffworks.com/not-a-coffee-fan-that-could-be-genetic.htm
We revisit the idea that a genetic variation may affect how quickly the body breaks down caffeine, affecting the frequency of a certain craving.
Why Snakebite Antivenom Is So Astronomically Expensive
health.howstuffworks.com/medicine/medication/why-snakebite-antivenom-expensive.htm
In the United States, a single vial of snakebite antivenom can cost thousands of dollars. HowStuffWorks looks at the reasons behind the high price.
'Pilot's Glory': Why a Rainbow Encircles an Airplane Shadow on Clouds
Very specific atmospheric conditions and just the right perspective are necessary to see the phenomenon.
Ghost Tape No. 10: The Haunted Mixtape of the Vietnam War
science.howstuffworks.com/ghost-tape-no-10-haunted-mixtape-the-vietnam-war.htm
In one of its more bizarre moments, the U.S. Army created voice tapes of allegedly wandering souls to depress Viet Cong morale.
How to Take a Screenshot in Windows
computer.howstuffworks.com/screenshot-in-windows.htm
You want to share what's on your screen with someone on email or social media. But how do you do it? Microsoft Windows has several easy ways.
Why Was the Mad Hatter Mad?
people.howstuffworks.com/mad-hatter.htm
The expression 'mad as a hatter' predates the Mad Hatter in 'Alice in Wonderland.' So, where did the term come from?
Can Dogs Get Poison Ivy?
animals.howstuffworks.com/pets/dogs-get-poison-ivy.htm
Some of us get it, some of us don't, but did you know that our four-legged friends are also susceptible to poison ivy, the three-leaved menace?
What in the World Are Tonsil Stones?
health.howstuffworks.com/wellness/oral-care/problems/tonsil-stones.htm
Never heard of tonsil stones? They're nasty little stones that can form in your throat. So should you freak out if you have them?
The Venn Diagram: How Circles Illustrate Relationships
science.howstuffworks.com/math-concepts/venn-diagram.htm
Venn diagrams are an easy way to simplify information and visualize relationships between concepts or sets of data.