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How can some of the world's oldest people also lead unhealthy lives?
health.howstuffworks.com/wellness/food-nutrition/diet-aging/oldest-people-unhealthy.htm
Some of the oldest people have oddly lead unhealthy lives. Learn why some people can smoke until they are 100 and how the oldest people get so old.
What would nuclear winter be like?
science.howstuffworks.com/nuclear-winter.htm
If the sight of a mushroom cloud burning above the horizon suggests that the nuclear weapon-equipped world might end with a bang, then nuclear winter presents the notion that post-World War III humanity might very well die with a whimper.
How is volcanic ash made?
science.howstuffworks.com/nature/natural-disasters/volcanic-ash.htm
Volcanic ash is what's left after a volcano literally blows its top. Learn how volcanic ash can devastate everything under its gray blanket.
How Murphy's Law Works
people.howstuffworks.com/murphys-law.htm
Murphy's Law is the idea that anything that can go wrong will go wrong. Learn about Murphy's Law and find out Murphy's Law was first used.
How Leprosy Works
science.howstuffworks.com/life/biology-fields/leprosy.htm
There are many myths and stigmas associated with leprosy, almost all completely incorrect. It's not a very contagious disease, and it's easily treatable. What else is wrong in the common beliefs about Hansen's disease?
Desalination Plants: The Future of a Sustainable Water Supply
science.howstuffworks.com/environmental/earth/oceanography/desalination.htm
Desalination is the process of removing the salt from seawater, which turns the water into fresh drinking water. Learn about desalination.
10 Dangerous Everyday Things in Your Home
home.howstuffworks.com/home-improvement/home-diy/dangerous-home-products.htm
You would not believe the dangerous things in your home - everything from air freshener to cosmetics. Learn about the dangerous things in your home.
What if a black hole formed near our solar system?
science.howstuffworks.com/science-vs-myth/what-if/what-if-black-hole-formed-near-solar-system.htm
Black holes have serious pull, and they're not afraid to use it. Could one of these skulking bad boys ever arise in our home, sweet (solar system) home?
How 3-D Bioprinting Works
health.howstuffworks.com/medicine/modern-technology/3-d-bioprinting.htm
Bioprinting is an offshoot of 3-D printing that aims to allow scientists and medical researchers to build an organ. Learn more about bioprinting.
Causes of Insomnia
health.howstuffworks.com/mental-health/sleep/disorders/causes-of-insomnia.htm
The causes of insomnia are as numerous as the forms it takes. Learn how to combat insomnia arising from medical conditions, jet lag and other causes.