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How Efflorescence Works
home.howstuffworks.com/home-improvement/construction/materials/efflorescence.htm
Even Michelangelo had to deal with efflorescence -- white deposits that appear on masonry -- while painting the Sistine Chapel. What causes this unsightly problem, and how can you address it if it shows up on the surfaces of your home?
5 Ideas for Experiments on Conserving Energy
science.howstuffworks.com/environmental/conservation/5-experiments-conserving-energy.htm
About 70 percent of our energy comes from non-renewable sources like oil and natural gas. When they're gone, they're gone for good. Learn some simple ways to conserve energy through these five simple experiments.
5 Secrets About the Soviet Space Program
science.howstuffworks.com/5-secrets-about-soviet-space-program.htm
The Soviets were secretive about their space program. We're telling five of the biggest now.
7 Famous Folks Who Were Also Doctors
history.howstuffworks.com/historical-figures/famous-doctors.htm
These folks abandoned their medical careers to get involved in other lines of work and make their names.
7 Warning Signs of a Looming Recession
money.howstuffworks.com/7-warning-signs-looming-recession.htm
Good luck predicting the economic future; even the experts get it wrong. But there are sure warning signs to look for when a recession is ahead.
5 Realities of a Post-antibiotic World
health.howstuffworks.com/medicine/medication/5-realities-of-post-antibiotic-world.htm
In a post-antibiotic world, many harmful bacteria grow resistant to the drugs we've been using. Learn what a post-antibiotic world might look like.
How Hardship Exemption Works
money.howstuffworks.com/personal-finance/personal-income-taxes/hardship-exemption.htm
The Affordable Care Act requires health care coverage, or does it? Learn more about health care hardship exemptions at HowStuffWorks.
10 Most Terrifying Vehicle Manufacturing Defects
auto.howstuffworks.com/under-the-hood/auto-manufacturing/10-vehicle-manufacturing-defects.htm
Each year, auto manufacturers issue about 500 recalls. Learn more about vehicle manufacturing defects at HowStuffWorks.
How Flight Attendants Work
money.howstuffworks.com/flight-attendant.htm
Flying isn't as glamorous as it was in the '60s, but people still flock to work as flight attendants. Learn about flight attendants at HowStuffWorks.
How Guerilla Filmmaking Works
entertainment.howstuffworks.com/guerilla-filmmaking.htm
Guerilla filmmaking is a way to get around some of the costs associated with making movies. See how guerilla filmmaking works.