While camo patterns and high-performance outerwear tend to get all the glory, the base layer is the real hero of hunting apparel. Whether sitting still for hours in a deer stand or hiking miles ...

The next layer is the mantle. Many people think of this as lava, but it's actually rock. The rock is so hot, however, that it flows under pressure, like road tar. This creates very slow-moving ...

On 16 September, the world will mark the International Day for the Preservation of the Ozone Layer. It was on this day, 35 years ago, that the Montreal Protocol, considered one of the most ...

The most common abstraction layer is the programming interface (API) between an application and the operating system. High-level calls are made to the operating system, which executes the ...

Location and climate Layers of a rainforest Tropical rainforest ecosystem Animal adaptation to the rainforest climate What have you learned about tropical rainforests?

Liquid Layers is a fun interactive site where you can engage with a sea of colorful fluid. I like that you can play around ...

The ozone layer is a part of Earth’s atmosphere that captures some of the Sun’s ultraviolet (UV) light emissions. When the ozone layer is compromised, its ability to absorb radiation weakens ...

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...