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, …

Oct 19, 2023 · Electromagnetic light energy is everywhere, but very little of it can actually be seen by the human eye.

Oct 19, 2023 · Some ancient people of Australia believe a "rainbow serpent" slithered from the water to create the world. Could this fascinating myth be based on fact? Join Wild Chronicles …

Feb 2, 2024 · The sun is an ordinary star, one of about 100 billion in our galaxy, the Milky Way. The sun has extremely important influences on our planet: It drives weather, ocean currents, …

Apr 16, 2025 · After the United States Civil War, state governments that had been part of the Confederacy tried to limit the voting rights of Black citizens and prevent contact between Black …

Feb 26, 2025 · Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Oct 19, 2023 · Rain is liquid precipitation: water falling from the sky. Raindrops fall to Earth when clouds become saturated, or filled, with water droplets.

Oct 19, 2023 · Investigate the trophic levels of a coral reef food web.

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Mar 14, 2025 · Lines of latitude and longitude help us navigate and describe Earth. Explore them with MapMaker, National Geographic's classroom interactive mapping tool.