Jan 20, 2026 · A rainbow is an optical illusion —it does not actually exist in a specific spot in the sky. The appearance of a rainbow depends on where you're standing and where the sun (or …

Apr 9, 2025 · Roche moutonnee is a smooth, rounded rock formation created as a glacier crushes and rearranges rocks in its path. Roche moutonnee is visible in many hilly areas as …

Nov 21, 2024 · A rainbow of colors, these corals on Jackson Reef in the Red Sea support a myriad of aquatic life including hammerhead and tiger sharks (Galeocerdo cuvier), sea turtles, …

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Apr 4, 2025 · At a compression zone, tectonic activity forces crustal compression at the leading edge of the crust formation. For this reason, most fold mountains are found on the edge or …

Patrons of the Stonewall Inn were resigned to police raids on gay bars. But on June 28, 1969, they resisted in a rebellion that changed history.

Oct 19, 2023 · Eventually, a mysterious occurrence—one that even the world’s foremost scientists have yet been unable to determine—created a disturbance in that dust cloud, setting forth a …

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Habitat use of insectivorous bats in a Neotropical Savanna of Bolivia. Project start: 2009-06-30. Project location: Bolivia. More info on Explorer profiles.

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