Search Results | century
Your search for "century" returned 4,664 results
Formaldehyde Is Everywhere, But Is It Dangerous?
science.howstuffworks.com/formaldehyde.htm
It's an odorless gas that's present in a variety of home products, cosmetics, car exhaust and even humans. But is it bad for us?
The Conch Is an Endangered Sea Snail That Needs Your Help
animals.howstuffworks.com/endangered-species/conch.htm
Before collecting that conch shell, learn how over-harvesting for meat and souvenirs has endangered conch populations and what you can do to help their survival.
20 Animals That Start With 'I': From Irish Setters to Ivory Gulls
animals.howstuffworks.com/animal-facts/animals-that-start-with-i.htm
There is a fascinating world of animals that start with "I." Some animal names are likely more familiar, like the mighty Indian elephant, while others are a little more obscure — looking at you, Iriomote cat.
How the Machine Gun Revolutionized Warfare
science.howstuffworks.com/machine-gun.htm
The invention of the machine gun forever changed the battlefield. While soldiers once had to reload after a single shot, they now can fire hundreds of rounds per minute without a single pause.
What Is ESP? How ESP Works
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/esp.htm
Have you ever had a dream that came true? Or called a friend at the exact moment he was calling you? Most of us have had some sort of paranormal experience. Is this evidence of the existence of ESP?
How Alcatraz Worked
people.howstuffworks.com/alcatraz.htm
Alcatraz was built to house the worst criminals and said to be impossible to escape. See pictures of Alcatraz and go inside Alcatraz prison to meet its inmates.
How Blowtorches Work
home.howstuffworks.com/blowtorch.htm
Blowtorches produce an exceptionally hot flame and harnesses that heat to mold and cut metal. Learn how the blowtorch revolutionized welding.
How Charles Darwin Worked
science.howstuffworks.com/life/genetic/charles-darwin.htm
How did Charles Darwin develop the idea of natural selection? And how did Charles Darwin and "The Origin of Species" change our thinking and our world?
How Police Cars Work
auto.howstuffworks.com/police-car.htm
Police cars are built to be much more durable that civilian model cars. Read all about police cars and how they are manufactured.
10 Tips for Retirement Savings
money.howstuffworks.com/personal-finance/retirement-planning/10-tips-for-retirement-savings.htm
Having enough retirement savings can help you live comfortably in your golden years. See 10 tips for retirement savings to get started.