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Air pollution can negatively effect heart health. Learn about air pollution and its connection to heart health.

Street sweepers have been around for more than a century keeping our roads clean. Learn the history of street sweepers and what they're like today.

Face soap differs from other types of soaps. Learn about how face soap works at HowStuffWorks.

Milk baths are common skin treatments. Learn about how milk baths work at HowStuffWorks.

Skin toner is an important product in skin care. Visit HowStuffWorks to learn all about skin toner.

Can your sweat be different colors? It can if you have chromhidrosis. Read about chromhidrosis and what causes colored sweat.

Soil lamps are discussed in this article from HowStuffWorks. Learn about soil lamps.

A human body can generate power after death with microbial fuel cell technology. Learn how a body can generate power after death.

Personal hygiene pictures explore how your daily routine affects your health. Check out these personal hygiene pictures.

Inside a computer there are many parts that work together to make it process data. Find out more about what's inside a computer.

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