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

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.

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

What should you do when a wasp or hornet lands on you? Learn more about why wasps attack and how to avoid getting stung.

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 ...

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

Want to turn your bathroom into an indoor oasis? From ferns to orchids, here are 10 shower plants that want to live in your bathroom.

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.

Cellulose tape is a transparent adhesive tape that happens to be biodegradable too. It is difficult to find, especially in the US. Almost all transparent tape sold here is made of acetate. One ...

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 ...

Most Americans live in urban areas, forming huge hot spots of energy consumption. But while rural residents use less energy overall, cities are often slicker ab ...