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Crystallised tears form beautiful patterns unique as snowflakes

Maurice Mikkers makes his friends cry. Then, he lets the tears evaporate and photographs the unique, intricate patterns of crystallised salt they leave behind

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ARE these bubbles, bacteria or perhaps space rocks? No 鈥 they鈥檙e human tears as you鈥檝e never seen them before.

Each disc is a tear droplet that has been pipetted onto a glass slide, allowed to evaporate and photographed using dark field microscopy. The delicate white structures are the crystallised salts left behind from the briny fluid. As well as salts, tears contain antibodies and other proteins that combat infections and help protect the eye.

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Photographer Maurice Mikkers got the idea while imaging crystals of pharmaceutical drugs. He happened to bump into a table hard enough to trigger tears of pain, which became the subject of his next pictures. 鈥淚 was amazed by what I saw,鈥 he says. 鈥淧eople could not believe how beautiful it was.鈥 Now he is seeking people .

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Mikkers advises his volunteers to have their own crying triggers prepared 鈥 sad movie scenes on YouTube or onions, for example. Tears of happiness are also welcomed. 鈥淚t鈥檚 very personal.鈥

One crystallised tear looks different to the next, with no obvious hallmarks that could identify the person who produced it. 鈥淓very tear is as unique as a snowflake,鈥 he says.

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To find out more about why we weep see 鈥The crying game: How tears can work for you鈥.

This article appeared in print under the headline 鈥淐ry me a snowflake鈥

Topics: Biology / Microbiology