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How Does the U.S. Classify Its Most Sensitive Documents?
people.howstuffworks.com/us-classify-documents-news.htm
There are three levels of security classification for U.S. documents related to national security. What are they and who decides how they're protected against unauthorized disclosure?
Meteors burn up when they hit the Earth's atmosphere. Why doesn't the space shuttle?
science.howstuffworks.com/question308.htm
In science, we are learning about the atmosphere. It protects us from meteors because it burns them up. So, why doesn't the space shuttle burn up?
How Important Are Motorcycle Boots?
auto.howstuffworks.com/how-important-are-motorcycle-boots.htm
If you value your feet, you'd better invest in solid protection for your rides. Learn just how important motorcycle boots are at HowStuffWorks.
How NFL Equipment Works
entertainment.howstuffworks.com/fb-equip.htm
Football equipment keeps a player's body protected from hard hits. Learn about the different pieces of football equipment and find out what an equipment manager does.
Can airbags kill you?
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/can-airbags-kill-you.htm
Could airbags actually end up hurting or killing the people they're supposed to protect? Find out if airbags can kill you at HowStuffWorks.
How to Prevent Malaria
health.howstuffworks.com/wellness/preventive-care/malaria-prevention.htm
Malaria is curable and preventable. Learn about efforts underway to eradicate malaria and how you can protect yourself when you travel to countries where malaria is common.
What if I looked straight at an eclipse of the sun?
science.howstuffworks.com/looked-at-eclipse.htm
Looking at a solar eclipse without proper eye protection can cause eye damage -- even blindness. Learn how to view an eclipse safely at HowStuffWorks.
How Concrete Roofs Work
home.howstuffworks.com/home-improvement/construction/materials/concrete-roofs.htm
Concrete roofs are exactly what they sound like: solid slabs of concrete capping the top of homes. How can concrete roofs protect you from big storms?
How to Clean and Store Your Cloth Face Mask
health.howstuffworks.com/diseases-conditions/respiratory/face-mask.htm
Wearing some sort of face mask is more important than ever now to protect you and others from coronavirus. But how do clean and safely store it?
Can the government read your private e-mails?
people.howstuffworks.com/stored-email.htm
Email is now protected from secret government searches thanks to a recent U.S. Circuit Court of Appeals ruling. Read about this landmark email privacy ruling.