'Gene count' showdown
Rival scientists and companies have been challenged to a 'gene count' showdown. In February, draft sequences of the entire human genome were published by the publicly funded human genome project (HGP) and Celera Genomics, both estimating the total number of genes to be between 30,000 and 40,000. But some biotech...
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The politics of stem cells
by Juliet Tizzard
This week, Germany took one step closer to permitting at least some form of embryo stem cell research to take place within its national boundaries. In so doing, Germany joins a number of countries with rather restrictive rules on the use of human embryos in research which are now rethinking...