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Shelved … 'For Now'

Last week, discussions arose over an education bill being proposed in Tennessee that would require teachers to help students identify weaknesses in scientific theories like evolution and global warming. The Tennessee Science Teachers Association called it "unnecessary, anti-scientific, and very likely unconstitutional," while other critics claimed the bill was designed to promote the teaching of creationism in classrooms. Now, however, the Tennessee Senate has put this "education-wrecking" bill on hold until next year, says Bad Astronomy's Phil Plait. The bill was shelved because of scheduling conflicts, not because the legislators objected to the content, so it could "pop right back up, as these creationist whack-a-mole bills do," Plait says, though he adds that it seems "science education … is safe, for now."

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.