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How it works

molecules

Naturally occurring elements are usually a combination of several elements. Some combine with elements just like themselves. Others combine with different elements. Scientists call these combinations of elements molecules. They are made of at least two atoms and are stable. This means they have the sa... read more

motion and force

Motion ... read more

inside a serpent

No legs? No problem! Check out the science beneath the snakeskin. ... 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