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Women, are you getting enough iron?
health.howstuffworks.com/wellness/women/general/are-you-getting-enough-iron.htm
Are you getting enough iron? Learn how to tell whether you're getting enough iron at Discovery Health.
How Karate Works
entertainment.howstuffworks.com/karate.htm
Karate is an incredible art form, built on the concept of merging body and mind into a defensive weapon. See how karatekas use this merger to break wood and cinder blocks with their hands and feet.
Will exercise help my nasal allergy?
Will exercise help my nasal allergy? Learn more about if exercise can help your nasal allergy at Discovery Health.
How Nuclear Medicine Works
science.howstuffworks.com/nuclear-medicine.htm
Nuclear materials get used in many forms of nuclear medicine -- everything from PET scans to chemotherapy uses them. Learn how nuclear medicine works.
Does singing make you happy?
science.howstuffworks.com/life/inside-the-mind/emotions/singing-happy.htm
Can singing make you happy? Take a look at what happens to your body when you sing and find out if singing makes people happy.
How can adding iron to the oceans slow global warming?
science.howstuffworks.com/environmental/green-science/iron-sulfate-slow-global-warming.htm
Scientists propose adding iron to the oceans to cut carbon dioxide levels and, in turn, decrease temperatures. See if adding iron to the oceans works.
How is carbon dioxide eliminated aboard a spacecraft?
science.howstuffworks.com/carbon-dioxide-eliminated-aboard-spacecraft.htm
To get carbon dioxide eliminated aboard a spacecraft you need a system similar to SCUBA. Learn about carbon dioxide elimination.
Can you use hydrogen peroxide on your teeth?
health.howstuffworks.com/wellness/oral-care/products/use-hydrogen-peroxide-on-teeth.htm
You can use hydrogen peroxide on your teeth even though you would more commonly clean cuts with it. Learn about using hydrogen peroxide on your teeth.
How Much Money Could You Make on Jeopardy?
play.howstuffworks.com/quiz/how-much-money-could-you-make-on-jeopardy
We all know the infamous thirty-second jingle that goes with Final Jeopardy, but how much money would you secure before that point? Take this quiz to find out!
How does a rebreather work?
science.howstuffworks.com/question632.htm
Unlike a regular SCUBA regulator which creates bubbles when the person wearing the apparatus exhales, a rebreather produces no bubbles when someone exhales. What exactly is a rebreather and how does it work?