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Was there really a saint named "Valentine"? And why all the flowers and chocolate? Learn all about the origins and symbols of Valentine's Day.

Space Camp is for kids and adults to learn about flight, engineering, astronomy and robotics. Learn about Space Camp and its programs and simulators.

Have you ever wanted to use your mobile phone during a flight? Learn how in-flight mobile phone services work at HowStuffWorks.

Cryptozoology is the study of creatures that are rumored to exist. But for true believers, these "cryptids" are alive and well and lurking among us.

A shark sense isn't so different from any of our senses, a shark sense is just sharper underwater. See more about shark sense and how each works.

If pandas are called bears, then do pandas hibernate like other bears? Find out whether pandas hibernate and the reason behind the answer.

Our home remedies for TMJ seek to alleviate a misalignment of the temporomandibular joint.

The Northland wine region is among New Zealand's best. Learn all about the Northland wine region at HowStuffWorks.

Celiac disease is an autoimmune disorder -- more than just a food allergy to gluten. Read about celiac disease, symptoms and treatment.

Savings and Loans associations specialize in savings accounts and mortgages. Learn all about S&Ls in this article from HowStuffWorks.

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