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New Toys Are Always Appreciated

Wolfram Research released Mathematica 7 on Tuesday. This version of the mathematical, statistical, and visualization software includes the human genome. "Researchers can, for example, find the chromosome location for a particular genetic sequence," writes Stephen Shankland at Cnet News. This release is also supposed to have better image processing techniques and an improved ability to run on multicore processors.

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.