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Cyanosis: Why Your Fingers Turn Blue
health.howstuffworks.com/diseases-conditions/cardiovascular/heart/cyanosis.htm
It might be OK for a Smurf to have blue fingers, but for the rest of us, it's something you don't want to see. Cyanosis is usually a sign of a bigger health problem.
What Is the Rarest Blood Type in the World?
health.howstuffworks.com/human-body/systems/circulatory/rarest-blood-type.htm
There are eight major blood types and some are more common than others. But what's the rarest of them all?
You Have a Thermostat, But Do You Need a Hygrometer, Too?
science.howstuffworks.com/nature/climate-weather/meteorological-instruments/hygrometer.htm
Hygrometers are used by many professionals to monitor levels of humidity in the air. So, do need one in your home?
Why Don't You Ever See Square Vegetables?
science.howstuffworks.com/life/genetic/close-are-to-growing-square-tomato.htm
At least not in nature. Scientists have discovered the two gene families that play key roles in making fruits and vegetables either round or long. Could a square fruit be on the horizon?
How Many Legs Does a Millipede Really Have?
animals.howstuffworks.com/arachnids/millipede-legs.htm
If you think the answer is 1,000, you're way way off.
An Alien Asteroid's Been Lurking in Our Solar System Since the Beginning
science.howstuffworks.com/alien-asteroids-been-lurking-in-solar-system-since-beginning.htm
An alien asteroid called BZ 509 may have arrived at our solar system billions of years ago and didn't buy a return ticket. HowStuffWorks explains.
Fast Facts on the Grounded Boeing 737 MAX 8
science.howstuffworks.com/transport/flight/modern/boeing-737-max-8-facts.htm
The Boeing 737 first flew into the world a half century ago. Here's the scoop on Boeing's fastest-selling airplane.
How Did 'Stand Your Ground' Laws Originate?
people.howstuffworks.com/how-did-stand-ground-laws-originate.htm
HowStuffWorks takes a look at Stand Your Ground laws.
The Truth About Turmeric: What Health Benefits Does It Really Have?
HowStuffWorks looks at the real health benefits of turmeric according to science.
Swamps and Wildfires: A Dangerous Combination
science.howstuffworks.com/nature/natural-disasters/swamps-and-wildfires-dangerous-combination.htm
A fire can burn for years, yes years, in a swamp. What's the deal?