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Can companies beam advertisements into my brain? They can play messages only you can hear. Learn can companies beam advertisements into my brain?

A Trojan horse is a program that looks helpful but actually lets a cracker take over your computer. Find out more about a Trojan horse.

All-in-One Recycling Systems are great kitchen gadgets. Learn more about All-in-One Recycling Systems at HowStuffWorks.

Are you curious about your vehicle's greenhouse gas score? Find out your vehicle's greenhouse gas score at HowStuffWorks.

Can too much kissing damage your lips? Really? Read about whether too much kissing can actually be bad for you.

Take a look at these heart pictures to learn about the different parts of the heart and more. See our heart pictures to learn more.

Privacy Trusts are used to protect the identity of an asset's owner. Learn more about privacy trusts and how to start one of your own.

Prescription drug benefits can exclude high-cost drugs in order to keep the cost of co-pays low. Learn more about prescription drug benefits.

Internet faxing allows you to send and receive faxes via e-mail. Learn how internet faxing works at HowStuffWorks.

Plumbing follows the basic laws of nature - gravity, pressure, water seeking its own level. Learn about your home plumbing system.

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