Oct 19, 2023 · Rainbows are often portrayed as bridges between people and supernatural beings. In Norse mythology, for instance, a rainbow called the Bifrost connects Earth with Asgard, where the …

Electromagnetic light energy is everywhere, but very little of it can actually be seen by the human eye.

Dec 9, 2024 · A region is an area of land that has common features. A region can be defined by natural or artificial features.

Oct 19, 2023 · Rainforests play an invaluable role in sustaining life, but every year, large portions of them are cut down for logging, mining, and cattle ranches.

Dec 9, 2024 · A rain shadow is a patch of land that has become a desert because mountain ranges block much of the rainfall necessary for plant growth.

Apr 3, 2025 · The world's demand for fresh water is high, though there is a limited supply. How can we be more responsible with this crucial resource and its ecosystems?

Nov 21, 2024 · Learn the risks our world's coral reefs are facing and what they mean for our future and the future of the ocean.

May 1, 2024 · Yellowstone National Park is the first national park created in the United States. It remains popular due to its unique volcanic features and abundant wildlife.

Jul 21, 2025 · Deserts may seem lifeless, but in fact many species have evolved special ways to survive in the harsh environments.

The marine ecosystem is made up of a complicated series interconnected energy producers—like plants and photoplankton—and consumers—from plant-eaters to meat-eaters, both great and small.