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A molecule that until now existed only in theory has finally been made. Known as a Rydberg molecule, it is formed through an elusive and extremely weak chemical bond between two atoms. The new type of bonding, reported in Nature, occurs because one of the two atoms in the molecule has an electron very far from its nucleus or centre.


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These molecules are the "third type of carbon" - with the first two types being graphite and diamond.


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Scientists have created an image of an important molecule linked to HIV infection and cancer which may help treat the diseases.


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Researchers have created the smallest electric motor ever devised. The motor, made from a single molecule just a billionth of a metre across, is reported in Nature Nanotechnology.


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Chemical factories around young stars may give rise to far more complex molecules than previously thought.


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Researchers have shown off the first images of the "charge distribution" in a single molecule, showing an intricate dance of electrons at tiny scales.


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