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Your search for "research and development" returned 3,165 results
We've Got Your Numbers Quiz
science.howstuffworks.com/math-concepts/numbers-quiz.htm
Whether you're a math whiz or not, there are some pretty cool number theories, beliefs and coincidences to appreciate. How down with digits are you?
Where Do Horses Originate From? Not Europe, Not Asia
animals.howstuffworks.com/mammals/where-do-horses-originate-from.htm
Where do horses originate from? We don't mean to sound corny, but the answer really does take us on a journey through millions of years of evolution, migration, and domestication.
How Many Data Centers Does Google Have Around the World?
computer.howstuffworks.com/how-many-data-centers-does-google-have.htm
By asking, "how many data centers does google have," you're really asking how the internet stays on.
Why do we have fingerprints?
health.howstuffworks.com/human-body/parts/why-do-we-have-fingerprints.htm
Why do we have fingerprints? Identification isn't their only purpose. Learn about the reasons for fingerprints.
How to Keep Your Jack-o'-lantern From Rotting
people.howstuffworks.com/culture-traditions/holidays-halloween/pumpkin-rot-prevention.htm
Follow these tips to ensure your pumpkin carvings last to the end of the month so you don't have saggy jack-o'-lanterns on Halloween night.
Why Does the U.S. Use Fahrenheit Instead of Celsius?
science.howstuffworks.com/nature/climate-weather/atmospheric/us-use-fahrenheit.htm
While most of the rest of the world has switched to Celsius, the U.S. continues to use the Fahrenheit temperature scale, apparently out of simple inertia.
How Alchemy Paved the Way for Chemistry
science.howstuffworks.com/alchemy-to-chemistry.htm
Alchemy may seem like a cousin to witchcraft but in reality it was the forerunner of modern chemistry.
How can a rabbit tell me if I'm pregnant?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/rabbit-pregnancy.htm
A rabbit pregnancy test involved injecting the animal with human urine and analyzing hormonal response. Learn how the rabbit pregnancy test works.
Top 5 Allergens in Soaps That Cause Dermatitis
health.howstuffworks.com/skin-care/cleansing/tips/5-allergens-in-soaps-cause-dermatitis.htm
There are certain allergens in soaps that cause dermatitis. Learn about the top 5 allergens in soaps that cause dermatitis at HowStuffWorks.
How do my sleep habits change as I age?
health.howstuffworks.com/wellness/aging/aging-process/sleep-age.htm
Sleep as you age may not be as deep or as long. Learn what happens to sleep as you age and why sleep is impacted by age.