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Thanks, Real Estate: Economy Stall Moves to Tech Field

According to a comparative survey, the National Venture Capital Association found that the "liquidity drought for venture-backed startups is so bleak" it's being called a crisis, reports Tech Crunch. There were no venture-backed IPOs in the second quarter of 2008, and the last time this happened in a quarter was in 1978. Last quarter there were only five IPOs worth $283 million compared to 43 of them during the first half of 2007 for $6.3 billion. The survey says the biggest factors are nervous investors, the credit and mortgage crisis, and Sarbanes Oxley regulation.

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.