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New Stem Cell Lines Approved

New embryonic stem cell lines have been approved for use in federally-funded research in the US. Of these 13 new lines, 11 were made by Harvard Stem Cell Institute's George Daley and the other two by Rockefeller University's Ali Brivanlou. Both researchers used private funds for that work. "I am happy to say that we now have human embryonic stem cell lines eligible for use by our research community under our new stem cell policy," says Francis Collins, director of the National Institutes of Health, according to Agence France Presse. According to the Washington Post, 20 more lines may be approved for use as early as Friday and another 76 are also under consideration. "This is the first down payment on what is going to be a much longer list that will empower the scientific community to explore the potential of embryonic stem cell research," Collins adds in the Post.

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.