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Digital signatures make sure the documents you send electronically are authentic. Learn about digital signatures and other authentication methods.

Vitamin C is a healthy part of any diet. Learn how vitamin C acts as an antioxidant vitamin.

Not all muscle cars had big V-8s and mimicked straight-line drag racers. Learn about the 1970 Plymouth AAR 'Cuda, and see photos and specifications.

Crocodiles and dinosaurs definitely lived during the same time, but how closely are they related? Did crocodiles descend from dinosaurs?

How to make a belt from an Altoids tin is explained in this article from HowStuffWorks. Find out how to make a belt from an Altoids tin.

Why do beavers build dams and what happens when they do? How would things change if no more beavers build dams?

A fascinating article that describes how cruise missiles work and explores some of their advanced technology!

Nora Ephron, screenwriter of many classic movies, is well known for her romantic comedies. Discover 11 of her best movies in this list.

These recipe tips give details on adjusting quantities of ingredients to feed larger or smaller crowds. Healthy snack recipe tips are also provided.

Elevator cables pull an elevator up and down the shaft. What would happen if they snapped? Find out what would happen if the elevator cables snapped.

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