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The Rise of the Retraction

Retraction rates for scientific journal articles are up ten-fold, according to the UK's Times Higher Education. An analysis by Thomson Reuters for Times looked at the number of peer-reviewed articles published each year since 1990 and the number of retractions and found that while the number of articles has doubled, the number of retractions increased by 20 times. (Taking the increase in the number of articles publishes, that comes out to a 10-fold increase, Times says.) The acting head of the UK's Research Integrity Office James Parry says that there are many possible reasons behind the increase. It could be a rise in misconduct or a rise in detection of misconduct, though he notes that many retractions are due to honest mistakes.

The Scan

Pig Organ Transplants Considered

The Wall Street Journal reports that the US Food and Drug Administration may soon allow clinical trials that involve transplanting pig organs into humans.

'Poo-Bank' Proposal

Harvard Medical School researchers suggest people should bank stool samples when they are young to transplant when they later develop age-related diseases.

Spurred to Develop Again

New Scientist reports that researchers may have uncovered why about 60 percent of in vitro fertilization embryos stop developing.

Science Papers Examine Breast Milk Cell Populations, Cerebral Cortex Cellular Diversity, Micronesia Population History

In Science this week: unique cell populations found within breast milk, 100 transcriptionally distinct cell populations uncovered in the cerebral cortex, and more.