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How Helicopters Work
science.howstuffworks.com/transport/flight/modern/helicopter.htm
Believe it or not, the marvel we know as the helicopter began as a Chinese top consisting of a shaft - a stick - adorned with feathers on one end.
Delta Variant and Unvaccinated Are Threats to Eliminating COVID-19
health.howstuffworks.com/diseases-conditions/infectious/delta-variant-coronavirus-news.htm
The wildly contagious delta coronavirus variant now accounts for more than 80 percent of cases in the United States. Does it pose a threat to eliminating COVID-19 across the globe?
A Helium Shortage! What If We Ran Out of Helium?
science.howstuffworks.com/science-vs-myth/what-if/what-if-we-ran-out-helium.htm
A helium shortage threatens more than just the balloon industry. Way more. Here's what at stake should we run out of this gas - which is a real possibility.
How do automakers test long-term durability?
How do automakers test long-term durability? Visit HowStuffWorks to learn how automakers test long-term durability.
10 Scary Modern Technologies
electronics.howstuffworks.com/gadgets/high-tech-gadgets/5-scary-technologies.htm
Some of our modern technologies can be a little scary. Take a look at 10 modern scary technologies, including computers taking over the world.
How Much Fuel Does an International Plane Use for a Trip?
science.howstuffworks.com/transport/flight/modern/question192.htm
Although the amount of fuel may seem high, when you do the math, it's actually not so bad.
So ... Just How Many House Cats Are There in the World?
animals.howstuffworks.com/pets/just-how-many-house-cats-are-there-the-world.htm
Counting the number of housecats around the world is about as difficult as, well, herding cats. In fact, estimates of global cat population vary... by millions.
How the Pledge of Allegiance Went from Marketing Ploy to Classroom Staple
people.howstuffworks.com/culture-traditions/national-traditions/pledge-allegiance.htm
The Pledge of Allegiance started as just part of a marketing campaign to sell flags. But along the way, it became something much much bigger.
How Laser Weapons Work
science.howstuffworks.com/laser-weapon.htm
Laser weapons have been depicted in science fiction for years, but they do exist in real life. Learn more about laser weapons.
What's the Longest Suspension Bridge in the World?
science.howstuffworks.com/engineering/structural/world-longest-suspension-bridge.htm
Until 2022, the longest suspension bridge in the world was in Japan. Now, the 1915 Canakkale Bridge in Türkiye has taken the title