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- Fuzzy future: Kids may suffer impaired vision from spending too little time outdoors, studies suggest
- Building with moon rocks: Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials
- Major twister hits Oklahoma: Its speed, which largely determines the damage it causes, is still unknown
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The distance between oxygen and the heavier deuterium in a D2O molecule in liquid heavy water is three percent shorter than the distance between oxygen and hydrogen in an H2O molecule; and the hydrogen bond (dotted) is four percent longer in heavy water than in light. Click image twice for a larger view.
Credit: J. Korenblat/Science News
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