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NEW YORK (GenomeWeb) – Researchers have uncovered 20 genetic loci that may explain why some people burn while others tan in response to sun exposure.

Whether or not someone can tan is determined by the ability of melanocytes to ramp up melanin production after exposure to ultraviolet radiation, and burning, rather than tanning, is a risk factor for developing skin cancer. In the US alone this year, about 91,270 new cases of melanoma are expected, according to the National Cancer Institute.

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Researchers have developed a robotic lab assistant, the Verge reports.

CBC News reports Canada's Supreme Court is to rule on the constitutionality of the country's genetic non-discrimination law today.

The Associated Press reports the World Health Organization is sending experts to China to investigate the animal source of SARS-CoV-2.

In Science this week: atlas of affected cell populations in idiopathic pulmonary fibrosis, and more.