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Modern UFO history began with the 1947 UFO sighting by pilot Kenneth Arnold. Learn the history of UFOs from ancient times to the mid-20th century.

Learn all about Digg, a user-driven news Web site that brings together news stories drawn from every corner of the Web.

These 10 remarkable exoplanets are the ones we'd like to investigate. Learn about 10 of the most remarkable astronomers have discovered.

The Internet of Things will be a connected world stretching from your kitchen blender to the satellites overhead. Learn how the IoT could go wrong.

Radio broadcasts over the Internet are increasingly popular and populist. Learn more about the media revolution that is Internet radio.

Wasps and bees are different in several ways. Find out how you can distinguish between wasps and bees based on which one sticks to the flowers.

Stalactites and stalagmites are two common cave features that are often mistaken for each other. Learn about stalactites and stalagmites.

Would you like to volunteer income tax assistance? Learn how to volunteer income tax assistance at HowStuffWorks.

Outdoor games for kids provide alternatives to the indoor blues. Find step-by-step instructions for classic and new outdoor games for kids.

What exactly are asteroids? And what was the NEAR Shoemaker mission about?

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