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Abandonware is generally defined as any software that's at least a few years old and is no longer distributed or supported by its owner. Learn more.

Antiques are defined by being at least 100 years old, but there are many more things to look at. Find out what to look for in antiques.

The newly developed family tree of Earth's 2.3 million species is a first draft of the 3.5-billion-year history of evolution.

What are the biggest improvements in engine design over the years? Check out top 10 improvements in engine design at HowStuffWorks.

Each year, auto manufacturers issue about 500 recalls. Learn more about vehicle manufacturing defects at HowStuffWorks.

Groundhogs are omnivorous and hibernate for three months out of every year. HowStuffWorks gets to know more about these little mammals.

The September 11th attacks timeline seemed to progress quickly, but the event was years in planning. Check out this timeline of September 11th.

Weapons in space that can knock down missiles have been under development for years and are starting to look realistic. Learn how they will work!

In China, more than a million tons of herbs are used each year as medical substances. Learn about traditional Chinese herbal medicine.

Remember those weird shoes called Crocs? They were a fad a few years back. They are still around. People still wear them.

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