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  1. Rainbow - National Geographic Society

    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 …

  2. Rainforest - National Geographic Society

    May 30, 2025 · A rainforest is an area of tall trees that receives a high amount of rainfall.

  3. Mesopotamia - National Geographic Society

    Mesopotamia was one of the first places where humans started practicing settled agriculture, and the earliest known writing system, cuneiform, originated there as well. It is a historic region of modern …

  4. Visible Light - Education

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

  5. Coral Reefs - Education

    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.

  6. Rainforests, Explained - National Geographic Society

    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.

  7. Indian Removal Act - Education

    On May 28, 1830, Congress passed the Indian Removal Act, beginning the forced relocation of thousands of Native Americans in what became known as the Trail of Tears.

  8. For Educators - National Geographic Society

    The Grosvenor Teacher Fellowship (GTF) is a professional development opportunity for pre-K–12 educators made possible through a collaboration between Lindblad Expeditions and the National …

  9. Rain Shadow - National Geographic Society

    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.

  10. Yellowstone - Education

    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.