Electric cars hybrids rely upon electric motors for propulsion and assistance. Here is a look at how these motors and generators work to generate power.

Here are maps showing locations of broad types of forest cover by tree types according to frequency of occurrence in the native range.

Two species of sloths are endangered according to the IUCN Red List. Learn about conservation efforts and how we can help restore sloth populations.

15 Smokey Bear posters were created in the mid-1980s for a major state and federal fire prevention campaign. Explore the collection and their message.

Cloud genera are divided into species to account for their particular shape and internal structure. Certain species only ...

What are the tallest trees in the world? These 10 skyscraping superstars are some of the stalwart examples of their species.

Even though pineapples are considered a fruit (and a fruit generally comes from trees—unless it’s a berry), pineapples actually grow on a plant close to the ground. Each pineapple plant bears ...

Learn how to identify the yellow poplar tree, including facts about its habit, range, management, and more.

Learn how composting toilets work, different types, maintenance tips, how to use them, and what happens to the waste in a composting toilet.

Cultivating the land for farming requires testing your soil, improving it, tilling the soil and ensuring proper fencing.

12 Bizarre Examples of Genetic Engineering Here’s a look at some genetically engineered plants and animals.

Maps show the vast range of the various spruce tree species that can be found throughout North America.