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Fighting Malaria: Good. Using GM Mosquitoes: Iffy

An advance from scientists at Johns Hopkins has led to genetically modified mosquitoes that are resistant to malaria. The premise, of course, is to eliminate the leading vector in the spread of this disease. But John Tierney's blog at the New York Times poses the question of whether this is the right approach, and comments posted so far indicate that people just aren't sure.

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.