Molecular dynamics simulation of the adsorption and coating stability of succinic acid on the surface of titanium nanoparticles

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Babies are beautiful. I always want to smile at them in the street, perhaps because they are a rarer and more precious sight in this ageing country or because they remind me of my grandchildren. There are about 3.5 million children aged four and under, while dogs on the streets are a more plentiful 13.5 million. Is the dog boom compensating for fewer children? As time goes by, there are going to be ever more grandparents and ever fewer children to beam at foolishly.

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The unprecedented access shows how these cases are often cracked, not through state-of-the-art technology, but by spotting tiny revealing details in images or chat forums.

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