'Twins' born 16 years apart - correction
In BioNews 360, we published a story about a baby born following the implantation of an embryo that had been frozen for 16 years. It has been brought to our attention that there is no evidence that embryo quality deteriorates during extended storage times, contrary to the impression given in...
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Testicular stem cells: more stem cell confusion
by Peter Hollands
This week's BioNews report on possible therapeutic uses of testicular stem cells helps to highlight the level of confusion and lack of focus in stem cell biology today. Sources of stem cells such as embryos, testicles and ovaries are technically difficult to manipulate and have worrying, potentially malignant properties should...