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the parts of the earth

When studying the Earth, scientists look at the surface of the Earth and the parts that are above and below it. The atmosphere is a part above the surface while the core is a part below the surface. All of Earth’s parts work together to make life possible. The Earth’s Layers Earth is a terrestrial... read more

how were hieroglyphics finally decoded

Hieroglyphics proved diffi cult to work out, despite hundreds of years worth of attempts. The Rosetta Stone, discovered in the city of Rashid (Rosetta), Egypt, in 1799, provided final clues. The stone’s text was in two languages but three scripts: Greek, hieroglyphic and demotic (a cursive hieroglyp... read more

teeth and venom

A fearsome part of every snake is its teeth. Here’s the lowdown on those serpentine pearly whites… ... read more

endangered species

Life on Earth exists in a balance between the environment and the plants and animals that live on it. Throughout history, animals have become extinct when the environment changed. Scientists have discovered and documented many animals that have become extinct by studying fossils. Today, many species o... read more

people who study space

Astronomers are people who study the sky. They make a career out of studying the sky. Amateur astronomers look at planets, stars, and galaxies as a hobby. Astrophysics deals with the behavior and physical properties of all the objects in space. Cosmology studies the origin and structure of the univers... read more