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scienceSome of the water molecules in your drinking glass were created more than 4.5 billion years ago, according to new research.That makes them older than the Earth, older than the solar system — even older than the sun itself. In a study published Thursday in Science, researchers say the distinct chemical signature of the water on Earth and throughout the solar system could occur only if some of that water formed before the swirling disk of dust and gas gave birth to the planets, moons, comets and asteroids. At the Los Angeles Times