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Lithium-ion batteries are incredibly popular these days. You can find them in laptops, PDAs, cell phones and iPods. Find out why.

Emergency brakes can be very helpful is used properly. Find a great explanation about how emergency brakes work at HowStuffWorks.

Insulating basement walls is tricky without proper instruction. Learn how to insulate basement walls properly at HowStuffWorks.

Are you taking care of an aging parent and feel caregiver burden? See this list of 5 things you can do to help ease caregiver burden.

Ever wonder why a baby's skin is so soft? Visit HowStuffWorks to learn all about baby skin.

Blu-U is a popular treatment of problematic skin. Learn more about how Blu-U works at HowStuffWorks.

Collagen lip treatments have become very popular. Visit HowStuffWorks to learn all about collagen lip treatments.

Lichen planus can be a bothersome condition. Visit HowStuffWorks to learn all about lichen planus.

Celiac disease is an autoimmune disorder -- more than just a food allergy to gluten. Read about celiac disease, symptoms and treatment.

Have you ever been standing in your living room with a strand of Christmas lights that just won't work? We'll explain why this happens.

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