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When Was the Eiffel Tower Built? Eiffel Tower History and Future
science.howstuffworks.com/engineering/architecture/eiffel-tower-maintenence-news.htm
At 984 feet tall, Paris' landmark Eiffel Tower is no picnic to maintain, so how is it done and who is responsible for keeping it standing and painted?
10 Scientific Breakthroughs We Literally Couldn't Live Without
You might argue we have scientists to thank for our own survival. What breakthroughs have kept the human race from dying out?
How Airport Security Works
science.howstuffworks.com/transport/flight/modern/airport-security.htm
According to the Department of Homeland Security 730 million people travel on passenger jets every year. Are these folks safe? Find out how high-tech solutions are being used to make flying as safe as possible.
Top 10 NASA Inventions
science.howstuffworks.com/innovation/inventions/top-5-nasa-inventions.htm
The men and women of NASA are an ingenious bunch, and they're not just inventing amazing things for space. Which inventions have changed our lives here on Earth?
10 Green Lawns Without a Blade of Grass
home.howstuffworks.com/10-green-lawns-without-a-blade-of-grass.htm
Grass isn't necessary for your lawn to be green. Learn about ten green lawns without a blade of grass.
How Colony Collapse Disorder Works
animals.howstuffworks.com/insects/colony-collapse-disorder.htm
Colony Collapse Disorder refers to the disappearance of bees from their hives. Learn what Colony Collapse Disorder is and how it affects agriculture.
How Algaculture Works
auto.howstuffworks.com/fuel-efficiency/biofuels/algaculture.htm
Do you know How Algaculture Works? Keep reading to learn how algaculture and aquaculture work.
How Sandbags Work
science.howstuffworks.com/nature/natural-disasters/sandbag.htm
There may be a time when all that stands between your home and the rising floodwaters are some sacks full of sand. Will this defense keep you safe?
Rev Up: The Diesel Engine Quiz
play.howstuffworks.com/quiz/diesel-quiz
While diesel earned itself a bad reputation for spewing soot in the early days, improvements have made it much cleaner. Test your knowledge of all things diesel with this quiz.
How Long Do Car Batteries Last?
auto.howstuffworks.com/how-long-do-car-batteries-last.htm
All-electric vehicles are becoming increasingly popular, so it's easy to forget that old fashioned, gas-powered cars and trucks are still reliant on electric batteries for their operation. Easy to forget, that is, until those batteries die, either permanently or temporarily. So, it's only natural to ask: How long do car batteries last?