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The EPA was established in order to protect human health and the environment. Learn more about the EPA and some of the duties the EPA performs.

Love 'em or hate 'em, fruitcakes are an enduring tradition. And right now, we're smack-dab in the middle of fruit-filled log season.

The World Wildlife Fund works to protect wildlife and their habitats all over the globe. Learn about the World Wildlife Fund organization.

Bluetooth allows electronic equipment to connect without wires. So how does it work?

Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides from power plants, cars and factories. Find out how acid rain is produced.

Bromeliads vary greatly in size, shape, color, distribution, and ease of growth. Learn about their characteristics and how to care for these plants.

Skin pigmentation is an interesting part of human anatomy. Visit HowStuffWorks to learn all about skin pigmentation.

Military flyovers are explained in this article. Learn about military flyovers.

Is race a factor in college admissions or are people considered on an equal basis? Find out if race is a factor in college admissions.

Movies like 'Casablanca' aren't necessarily reflective of genuine Moroccan traditions. Read about traditions in Morocco at HowStuffWorks.

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