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What can your spit tell you about your DNA?
science.howstuffworks.com/life/genetic/spit-dna.htm
Doctors always want your blood, but one day, a health care professional may ask you to open up and say, "Ptooey!" Why? Your spit holds a mother lode of biological information.
How can you avoid getting blisters when you're wearing high heels?
health.howstuffworks.com/skin-care/problems/beauty/blisters-high-heels.htm
The formation of blisters in high heels is a fairly common thing. But it isn't so classy to be limping. See how to avoid blisters in high heels.
Can You Identify All 50 '80s Movies From Just One Screenshot?
Think you're an 1980s movie buff? Have you seen it all and then some? Take this quiz and prove your knowledge by matching the correct movie title to a picture from just one scene!
Can the President Control Gas Prices?
money.howstuffworks.com/president-gas-prices.htm
Gas prices are notoriously volatile. Does the president have any control over how much you pay at the pump?
Scientists Can Induce Visual Hallucinations by Showing You This Annoying Video
Researchers have discovered a way to trigger and control a visual hallucination without drugs, illness or direct brain stimulation.
Can we make tailpipes that capture CO2?
auto.howstuffworks.com/tailpipe-capture-co2.htm
Tailpipes that capture CO2 would make a dent in humans' contributions to greenhouse gas emissions. Learn about tailpipes that capture CO2 and if they exist.
How Can Sugar Explode?
science.howstuffworks.com/innovation/edible-innovations/sugar-explode.htm
A sugar explosion recently happened at a refinery near Savannah, Georgia. Learn about the sugar explosion and find out what caused the sugar explosion.
Can I be allergic to perfume?
lifestyle.howstuffworks.com/style/body-scents-fragrances/allergic-to-perfume.htm
Are you allergic to perfume? See common symptoms and what ingredients to watch out for if you are allergic to perfume.
Can the Internet Break From Overuse?
computer.howstuffworks.com/internet-break.htm
If too many people use their devices and computers at the same time, could the internet actually stop working from overuse?
How can I cut the fat, saturated fat and cholesterol in my diet?
Cut fat, saturated fat and cholesterol for a healthier lifestyle. Learn more about cutting fat, saturated fat and cholesterol at Discovery Health.