News tagged with unused embryos
Largest study of fertility patients shows concerns about embryo disposition
Dec 04, 2008 |
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Fertility patients who are done having children feel responsible for the stored, frozen embryos left over from their treatment, yet more than half are against implanting the embryos in anyone else, according to a new study ...
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UK starts study on using human DNA in animals
11 hours ago |
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(AP) -- British scientists begin a new study on Tuesday to consider how human DNA is used in animal experiments and to determine what the boundaries of such controversial science might be.
3 IVF attempts double chances
16 hours ago |
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Just one in three women gives birth after a single IVF attempt, but the cumulative chance of a live birth increases with each cycle - where women are offered three cycles nearly two thirds go on to have babies, reveals a ...
Tiny injector to speed development of new, safer, cheaper drugs
Chemistry / Analytical Chemistry
Nov 04, 2009 |
4.8 / 5 (4) |
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It's no bigger than a stamp packet but it has the potential to allow rapid development of a new generation of drugs and genetic engineering organisms, and to better control in-vitro fertilization.
Frog embryos associate the smell of predators with danger
Nov 03, 2009 |
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(PhysOrg.com) -- A new study in the US and Canada has found that frogs can learn to associate the smell of predators with danger, even as embryos.
Hunting for new zeolites
Nov 02, 2009 |
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In all the world, there are about 200 types of zeolite, a compound of silicon, aluminum and oxygen that gives civilization such things as laundry detergent, kitty litter and gasoline. But thanks to computations ...
Some who get vaccine not in high-risk groups
Oct 30, 2009 |
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(AP) -- It was bound to happen: Some people who aren't at high risk for swine flu complications got the much-in-demand vaccine.
Of mice and men: Stem cells and ethical uncertainties
Oct 29, 2009 |
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The recent creation of live mice from induced pluripotent stem cells (iPSCs) not only represents a remarkable scientific achievement, but also raises important issues, according to bioethicists at The Johns Hopkins University's ...
Scientists turn stem cells into precursors for sperm, eggs
Oct 28, 2009 |
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Human embryonic stem cells derived from excess IVF embryos may help scientists unlock the mysteries of infertility for other couples struggling to conceive, according to new research from the Stanford University School of ...
The skeleton: Size matters
Oct 27, 2009 |
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Vertebrates have in common a skeleton made of segments, the vertebrae. During development of the embryo, each segment is added in a time dependent manner, from the head-end to the tail-end: the first segments to be added ...
Researchers discover mechanism that prevents two species from reproducing
Oct 26, 2009 |
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Cornell researchers have discovered a genetic mechanism in fruit flies that prevents two closely related species from reproducing, a finding that offers clues to how species evolve.
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