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'Egregiousness' of conduct over almost 15 years leads to first-ever lifetime ban on US grants

When Frankfurt University said last month that anthropologist Reiner Protsch von Zieten had engaged in repeated scientific fraud for much of the past 30 years, the question naturally arose of how on earth he'd gotten away with it for so long.

Step into David Kritchevsky's irregularly shaped basement office at the University of Pennsylvania's Wistar Institute, and you'll immediately be able to tell that he's been there for a while.

Back in 1973, when Julia Goodfellow finished her PhD at Britain's Open University, like many of her peers, she jumped on a plane to California to take up the de rigueur three-year overseas postdoc.

Old cells may regain a youthful phenotype when exposed to a young cell environment, say researchers from Stanford University and VA Palo Alto Health Care System in California.

© 2005 National Academy of SciencesIsraeli researchers report that embryonic pig tissues used for liver, pancreas, and lung transplants need to come from very specific windows of time in embryonic development.1 The findings offer new insights into organogenesis and might help explain past failures in xenotransplantation, says coauthor Yair Reisner of the Weizmann Institute of Science in Rehovot, Israel.Reisner and his colleagues transplanted pig tissue precursors from embryonic day (E)21 to

Two distinct pools of synaptic vesicles appear to be involved in the spontaneous release of neurotransmitters and in neurotransmission triggered by a stimulus, according to Ege T. Kavalali and colleagues from University of Texas Southwestern Medical Center.

In the largest project of its kind, Swedish scientists are studying normal and cancerous tissues to discover not only the location and abundance of all human proteins, but also how these are affected by disease states.

Researchers are now using symbolic logic as a proteomics tool.

has released a baculovirus expression system that reduces the timeline of recombinant virus production by up to 10 days, according to company literature.

Researchers in China, South Korea, and Singapore are testing the lead taken by Western countries in the field of stem cell research, according to members of a UK government mission.

Genetic Savings and Clone, a leading pet-cloning company in Sausalito, Calif., announced the sale of its second cloned cat in February and dropped its price for the service from $50,000 to $32,000.