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Embryonic stem cells have the ability to develop into virtually any cell in the body, and may have the potential to treat medical conditions such as diabetes and Parkinson's disease. In August 2001, President Bush announced that for the first time federal funds would be used to support research on human embryonic stem cells, but funding would be limited to 'existing stem cell lines'. The National Institutes of Health (NIH) has established the Human Embryonic Stem Cell Registry which lists stem cell lines that are eligible for use in federally funded research. Although 78 cell lines are listed, 21 embryonic stem cell lines are currently available. Scientists are concerned about the quality, l...
From 1979 on I have got Odonata from many friends and sellers of insects. 1993 I have visited Japan. 1996 and 2001 I have visited Venezuela. 1999 I was in North U.S.A., in New York State and in Min-nesota. 2003 I have visited the Philippines. 2015 I was in Argentina. In 2023 I have observed Odonata in Cyprus. Many deliveries with Odonata I got from museums and friends over the time. The Odonata I have identified with the help of many literatures during the long time. The new species for my collection I have integrated in this collection. Some new species or new parts of a species I could describe during this long time in different journals.
Im Chirurgischen Forum werden ausgewählte Beiträge vorab veröffentlicht, die auf dem Kongreß der Deutschen Gesellschaft für Chirurgie vorgetragen werden. Der Forumsausschuß achtet dabei auf höchste Qualität der Beiträge. Der Leser findet hier die neuesten Ergebnisse aus Forschung und Klinik übersichtlich in einem Band.
The Proceedings of the National Academy of Sciences (PNAS) publishes research reports, commentaries, reviews, colloquium papers, and actions of the Academy. PNAS is a multidisciplinary journal that covers the biological, physical, and social sciences.