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Body Mass Index
health.howstuffworks.com/wellness/diet-fitness/weight-loss/bmi.htm
The number on the scale alone can't tell you whether you're at a healthy weight. Because height is also a factor, scientists came up with a mathematical formula called Body Mass Index (BMI). Learn how to calculate your BMI.
How the 'Alien' Xenomorph Works
entertainment.howstuffworks.com/alien-xenomorph.htm
You've always wondered how the xenomorph in 'Alien' worked. Now it's time to go behind the scenes and meet the xenomorph in 'Alien.'
Macrodontia Explained
health.howstuffworks.com/wellness/oral-care/problems/macrodontia.htm
Macrodontia causes teeth to grow abnormally large. Learn how macrodontia works and and the complications and care involved.
How Aquaculture Works
animals.howstuffworks.com/animal-facts/aquaculture.htm
Aquaculture provides food and replenishes other scarce resources. Learn how aquaculture works and how aquaculture industry supplies the goods we use.
Do Sharks Lay Eggs? Surprisingly Not a 'Yes or No' Question
animals.howstuffworks.com/fish/sharks/do-sharks-lay-eggs.htm
You’ve probably heard of shark attacks and shark teeth, but here’s something lesser known and just as intriguing: Do sharks lay eggs? The answer is: it depends on the shark species.
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.
Will I die if I eat polar bear liver?
animals.howstuffworks.com/mammals/eat-polar-bear-liver.htm
If you eat [url=https://animals.howstuffworks.com/mammals/polar-bear.htm]polar bear[/url] liver, you may develop hypervitaminosis A. Learn why you shouldn't eat polar bear liver and dangers associated with vitamin A.
Is the cure for cancer a virus?
science.howstuffworks.com/life/cellular-microscopic/cure-for-cancer-virus.htm
The cure for cancer could come from a very unlikely source, according to some recent research. Learn about using viruses as a cure for cancer.
Do short people live longer?
health.howstuffworks.com/wellness/aging/aging-process/short-people-live-longer.htm
If short people live longer, why is modern man taller than his ancestors? Learn if short people live longer and how height and longevity are linked.
How and why do carcinogens cause cancer?
health.howstuffworks.com/diseases-conditions/cancer/facts/carcinogens-cause-cancer.htm
Why do carcinogens cause cancer? Take a look at studies on common carcinogens and learn how carcinogens cause cancer at Discovery Health.