How GM Invented Planned Obsolescence It all started with a struggling auto company in the 20s.

Pinyon pine is a widely distributed pine that grows in the Intermountain region of western North America. It is a major indicator tree in the pinyon-juniper life zone. P. edulis is a short and ...

Depending on where you live, there are some items that simply aren't recyclable, including varieties of paper, glass and plastic. Check with your city service provider to know specifics, but here ...

The Butternut tree (Juglans cinerea) grows rapidly on well-drained soils of hillsides and streambanks in mixed hardwood forests.

There are 145 National Forests in 41 states in the United States. Discover each of them, state-by-state.

Friends and enemies in the animal world tend to be pretty clear-cut. But as these unlikely pairs show, even Mother Nature doesn't set things in stone.

Explore the pros and cons of controlled burns, including the benefits to native plants and wildlife, and the impact on air quality.

Codes, puzzles and cryptic public art tease us with their intrigue. Here's our list of 10 of the world's most cryptic unsolved mysteries and codes.

From Venezuela to South Africa, tropical and temperate rain forests are the most bio diverse ecosystems on Earth.

10 of the Smallest Homes in the World These are a useful reminder that bigger isn't always better.

Bay leaf is a delicious and fragrant herb. This guide will help you plant, grow, and harvest bay leaves right in your own backyard.

The Food and Agriculture Organization of the United Nations has maps of major world forests. These maps represent current global forest cover.