"In online dating and in life, it's nice to have thick skin, let things roll of your back and move on, " she said.

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All we have to do is let the devices under our skin.

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For others looking to get a reminder of home permanently inked on their skin, Fagerland's advice is keep your skin cool and dry, and let a talented artist be your guide.

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With their new laser in hand, Dr Leitgeb and his colleagues set up an experiment that let them test the system on a range of skin conditions, including a healthy human palm, allergy-induced eczema on the forearm, inflammation of the forehead, and two previously diagnosed cases of basal-cell carcinoma.

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