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Not Creamer

Back in August, six Harvard University medical researchers were poisoned after they drank coffee spiked with sodium azide, reports the Associated Press this week. Sodium azide is a common preservative. The researchers, who worked in the pathology department, complained of dizziness and ringing ears and one person passed out. They were all sent to the emergency room and were eventually released. Matteo Iannacone tells ABC News that the toxicology results reported that the coffee had a "very high concentration" of sodium azide. "I can not think it would be an accident," Iannacone says. According to NPR, Harvard has removed the suspect coffee machine and increased video surveillance in the area.

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.