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Your search for "century of progress" returned 514 results
Classic Airplanes
science.howstuffworks.com/transport/flight/classic/classic-airplanes.htm
Every one of these classic airplanes was the product of loving care of an intelligent design team doing the best work of their era. Learn how aviation evolved and find links to classic airplane profiles, from the early years through today's jet age.
10 Deadly Agents the CDC Works With
health.howstuffworks.com/diseases-conditions/infectious/10-deadly-agents-the-cdc-works-with.htm
The CDC routinely handles deadly agents that can cause disease and infection. View 10 of these public health enemies to learn more.
The Longest Song Ever Was Almost 6 Days Long
entertainment.howstuffworks.com/longest-song-ever.htm
Songs typically range anywhere between three to 10 minutes long, depending on the genre. However, modern mainstream music commonly sees tracks hover around three and a half minutes, with artists and producers rarely choosing to move the needle.
10 Things You Probably Don't Know About Queen Victoria
history.howstuffworks.com/historical-figures/queen-victoria.htm
The Victorian Age gets its reputation for uptight prudishness from her, but there was a lot more to Queen Victoria than you may know.
Afrofuturism: Where Technology, Culture and the Black Experience Meet
people.howstuffworks.com/afrofuturism.htm
Afrofuturism isn't just about placing a Black person in a futuristic landscape. It takes into account the challenges Black people face and allows them to imagine futures of their own making.
How Trickle-down Economics Works
money.howstuffworks.com/trickle-down-economics.htm
Whether trickle-down economics works is a hot debate among theorists and politicians. Learn why trickle-down economics has so many allies and adversaries.
10 of the Oldest Continuously Inhabited Cities in the World
history.howstuffworks.com/world-history/oldest-city-in-world.htm
It's hard to nail down the oldest city in the world. Some say it's Damascus, Syria, while others suggest it's Jericho, in the West Bank. So which is older?
An Ocean Quahog Shows Its Age Like Rings on a Tree
animals.howstuffworks.com/marine-life/ocean-quahog.htm
The ocean quahog (Arctica islandica) is a clam that redefines what it means to have a long lifespan. This species is famous for being one of the longest-lived animals on Earth, with individuals surviving up to 500 years! That's older than Shakespeare's first play.
What Are Mines?
science.howstuffworks.com/engineering/structural/underground-mining.htm
Underground mining has come a long way from the days of men with pickaxes and canaries. It relies much more heavily on machinery that makes it much safer than in the past. Which techniques are used in mining today?
12 Countries With Red and White Flags
Countries with red and white flags sometimes pick those colors because they often symbolize historical sacrifice and purity.