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What Do You Mean There's No Turtles?

Malaysia is thinking about cloning leatherback turtles, says this wire story. These turtles are endangered – the number of their nest sites has dropped to 10 from 5,000 in the 1960s – and the fisheries department wants to spend $9 million to increase the turtle's numbers. Critics, though, say the plan is unlikely to succeed since no reptile has ever been cloned.

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.