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Edward Hurwitz, Brent Kreider, and Frank Witney

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Edward Hurwitz, a venture partner of Alta Partners, has joined the board of directors of Mountain View, Calif.-based Aclara Biosciences. From 1997 to 2001, he was senior vice president and CFO of Affymetrix. Hurwitz holds JD and MBA degrees from the University of California, Berkeley, and a BA in molecular biology from Cornell University.

Brent Kreider has become senior vice president of cell-based microarray company Akceli in Cambridge, Mass. Kreider joins the company from Lexington, Mass.-based Phylos, where he was vice president of biological research. Prior to that, Kreider was a cell biologist and associate director at Human Genome Sciences. He holds a BS in microbiology from Penn State University and a PhD in molecular/microbiology from the University of Pennsylvania.

Frank Witney has become CEO of microarray startup GenoSpectra in Fremont, Calif., joining the company from PerkinElmer Life Sciences, where he was president. Prior to that, he served as president and COO of Packard BioScience. Previously, he was group operations manager of the life science group at Bio-Rad Laboratories. Witney holds a doctorate in molecular and cell biology from Indiana University.

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.