Ministers in the UK say that they are working to limit the number of animals used in scientific research, Nature reports. The science minister, David Willet, says that the government plans to follow the "3R" approach of reducing, replacing, and refining the use of animals in research.

Willet notes that the while the number of animals used may decline, the number of procedures involving animals might not change.

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In Science this week: self-assembly of DNA components in solution, and more.

Genetics and Molecular Research retracts two gastric cancer papers for being "substantially equal" to other papers, according to Retraction Watch.

A new analysis indicates that the Ebola virus behind the current West African outbreak is mutating at about the same rate as other Ebola viruses.

With the launch of Scott Kelly into space today, the study of him and his earthbound brother to disentangle the effects of life in space from the effects of genetics kicks off.