Legend has it that Isaac Newton formulated gravitational theory in 1665 or 1666 after watching an apple fall and asking why the apple fell straight down, rather than sideways or even upward.

Newton theorized the same force that caused an apple to fall from a tree was also the force that kept the moon in place. Over several years, Newton worked until he had developed the law of universal …

Dec 5, 2024 · From bathtubs to falling apples, find out what really drives some of the iconic talks of “light bulb” moments in science.

May 21, 2025 · Media refers to the various forms of communication designed to reach a broad audience.

Jun 10, 2024 · The most famous witch trial in history happened in Salem, Massachusetts, during the winter and spring of 1692-1693. When it was all over, 141 suspects, both men and women, were …

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Where National Geographic Explorers start. Explorer Since 2019 Emi Anne Koch Biography A former professional surfer from San Diego, California, Emi Koch is a social ecologist and the co-founder of …

Jun 5, 2025 · Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals and plants. It can even damage buildings.

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Apr 1, 2019 · Where National Geographic Explorers start. Explorer Since 2019 Robert B. Wallace Biography Rob Wallace is a Senior Conservation Scientist at the Wildlife Conservation Society where …