Proposed experiments with animal-human embryos cleared the first regulatory hurdle Tuesday, reports said, as Japanese scientists seek permission for tests that could see human organs produced inside the growing ...
Jun 18, 2013
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In animals that reproduce by internal fertilization, as humans do, you'd think a penis would be an organ you couldn't really do without, evolutionarily speaking. Surprisingly, though, most birds do exactly ...
Jun 06, 2013
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Researchers from King's College London have provided the first experimental evidence confirming a great British mathematician's theory of how biological patterns such as tiger stripes or leopard spots are ...
Feb 19, 2012
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Scientists at the Danish Stem Cell Center, DanStem, at the University of Copenhagen have discovered that they can make embryonic stem cells regress to a stage of development where they are able to make placenta ...
Jun 06, 2013
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Researchers from Huntsman Cancer Institute (HCI) at the University of Utah have discovered that while the genes provided by the father arrive at fertilization pre-programmed to the state needed by the embryo, the genes provided ...
May 09, 2013
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Tiny fossils that scientists have thought for decades were the embryos of the earliest animals ever found have turned out to be the remains of much simpler microbial organisms.
Dec 22, 2011
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Studied for decades for their essential role in making proteins within cells, several amino acids known as tRNA synthetases were recently found to have an unexpected – and critical – additional role in cancer metastasis ...
Mar 04, 2013
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Researchers have produced the world's first chimeric monkeys. The bodies of these monkeys, which are normal and healthy, are composed of a mixture of cells representing as many as six distinct genomes. The ...
Jan 05, 2012
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Two-thirds of all human embryos fail to develop successfully. Now, in a new study, researchers at the Stanford University School of Medicine have shown that they can predict with 93 percent certainty which fertilized eggs ...
Oct 03, 2010
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Shortly after a mouse embryo starts to form, some of its stem cells undergo a dramatic metabolic shift to enter the next stage of development, Seattle researchers report today. These stem cells start using ...
Mar 23, 2012
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(Phys.org) —In a factory, outside forces dictate the assembly of parts. Robots lift widgets from trays, assemble them and send them on their way. Even though embryos are not factories, theories about embryonic ...
Apr 26, 2013
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(Phys.org) —Scientists have delved deeper into the evolutionary history of the fruit fly than ever before to reveal the genetic activity that led to the development of wings – a key to the insect's ability ...
Mar 11, 2013
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Whitehead Institute Founding Member Rudolf Jaenisch, who helped transform the study of genetics by creating the first transgenic mouse in 1974, is again revolutionizing how genetically altered animal models are created and ...
May 02, 2013
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(PhysOrg.com) -- Scientists have grown a piece of heart muscle - and then watched it beat - by using stem cells from a mouse embryo, a big step toward one day repairing damage from heart attacks.
Oct 15, 2009
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