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What Time Does the Stock Market Open?
money.howstuffworks.com/what-time-does-stock-market-open.htm
The New York Stock Exchange has changed its hours many times since its inception in the late 18th century. Why? And what hours does it keep now?
How a Pneumatic Tube Works
electronics.howstuffworks.com/everyday-tech/pneumatic-tubes.htm
That tube you put your check or deposit slip in at the bank drive-up window is called a pneumatic tube. This was cutting edge 19th-century technology and is still in use today.
How Thoroughbred Horses Work
animals.howstuffworks.com/mammals/thoroughbred-horse.htm
Thoroughbred horses aren't just pretty; they're the end result of centuries of breeding and record-keeping. Learn about the history and purpose of thoroughbred horses at HowStuffWorks.
People's Bodies Now Run Cooler Than 'Normal' — Even in the Bolivian Amazon
health.howstuffworks.com/wellness/people-body-temps-now-cooler.htm
In the U.S., normal body temperature has been dropping over the past 150 years. People run cooler today than they did two centuries ago. Why is that?
What Is Transcendentalism and How Did It Change America?
history.howstuffworks.com/historical-events/transcendentalism.htm
Transcendentalism was a 19th century philosophical movement with adherents like Thoreau, Emerson and Fuller, based on principles of freedom, feminism, abolition and the idea that people had divine truth within them.
Lapis Lazuli: Crystal Properties, Origins and Uses
science.howstuffworks.com/environmental/earth/geology/lapis-lazuli.htm
This ancient rock adorns King Tut's coffin and the Sistine Chapel. And at one time it was more precious than gold. What is it about this deep blue rock that has drawn us in for centuries?
How Fractals Work
science.howstuffworks.com/math-concepts/fractals.htm
Fractals have been around forever but were only defined in the last quarter of the 20th century. Think you can wrap your brain around how fractals work?
How Yogurt Works
science.howstuffworks.com/innovation/edible-innovations/yogurt.htm
It's been part of people's diets around the world for centuries, but has recently become a health-food staple. Are you one of the people who seek a little culture every day?
The Tallest Dog Breed Originally Hunted Wolves in Ireland
animals.howstuffworks.com/pets/tallest-dog-breed.htm
Dogs come in all shapes and sizes, but some breeds tower above the rest, in both height and heart. These gentle giants have been companions, protectors and working partners to humans for centuries.
How to Get Rid of Rats
home.howstuffworks.com/how-to-get-rid-of-rats.htm
With top-notch their survival skills, rats have been outsmarting humans for centuries. So how do you get rid of them? Find out from HowStuffWorks.