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Frostbite can strike even in everyday cold conditions. Learn why frostbite freezes body parts and how it can help save your life.

Laptops are now as popular as desktops, and the price gap is closing. Learn about laptops, upgrading laptop memory, laptop batteries and more.

Bartering and the barter system are alive and well, but how do they work in our modern age? Learn about the barter system and bartering.

Willpower allows us to resist urges and impulses. Learn about willpower in this article.

They're not hallucinations, but they're not just regular nightmares, either. Learn how fever dreams work at HowStuffWorks.com.

What is a sleeve-valve engine? Read more about sleeve-valve engine technology at HowStuffWorks.

Softening underarm skin takes a bit of effort on your part. Visit HowStuffWorks to find the top 5 tips for softening underarm skin.

Shaving is a ritual that a large percentage of men partake in on a daily basis. Find out how and why shaving is so important.

Seed banks store our world's seeds, in case disaster wipes out a plant species. Find out how seed banks protect our future.

Some serial killers have murdered more than 100 people. Who are the worst serial killers, and why did they do it?

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