Improbable Research announced the winners of its 2011 Ig Nobel Prizes during its 21st annual prize ceremony this week. The prizes are meant to celebrate the most unusual kinds of science and research that "first make people laugh then make them think," the organization says.

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A fire at a Manchester hospital may have destroyed lab equipment and data, the Guardian reports.

Researchers generate a genetic database from skeletal remains from the 1845 Franklin Expedition to the Arctic, Live Science reports.

Researchers in China have begun another trial using CRISPR/Cas9 approaches in cancer patients, according to the Wall Street Journal.

In Science this week: human DNA found in sediments from archeological sites lacking bones, and more.