How Cells Proofread DNA Is Still Mysterious
June 29, 2009
An amazing fact about DNA transcription is that the machinery not only copies DNA onto RNA, but checks it for errors. A story in Science Daily says that researchers would...
Search Term: \'embryonic stem cells\'
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Cells Use Cloud Computing
June 19, 2009
...slack if a major server fails. Scientists are finding that cells have been using this technology all along. Science Daily reported on work by biologists in Spain and...
Who Needs Embryonic Stem Cells?
May 3, 2009
...is going “fast and furious” on induced pluripotent stem cells, in which adult cells can be made like embryonic stem cells without the need to create and destroy human embryos. ...
Dinosaur Blood Protein, Cells Recovered
April 30, 2009
...unknown is the chemistry behind such preservation. The paper also includes photographs of structures that resemble cells. While they were cautious not to call them cells, they sure look like...
Better Solar Cells with Diatoms
April 14, 2009
...of the most advanced materials in the world.” OK, now the subject: how to build better solar cells, by imitating diatoms. See the story on Science Daily. The...
Stem Cells Polarize Ethics
April 7, 2009
...“embryonic” and just talk about “stem cells,” but there is a big difference in the ethics of one over the other. Embryonic stem cells require harvesting a human embryo. Adult...
Elect Obama, Get Embryonic Stem Cells
March 8, 2009
...to generate cells from many adult tissues such as a patient’s own skin cells.” ESC is not completely without promise. Science Daily reported that embryonic stem cells are being studied...
Adult Stem Cells, +2; Embryonic Stem Cells, -1
February 23, 2009
...begin to take their stem cell research toward therapeutic treatments. Not so good for embryonic stem cells. Nature News reported, “Hybrid embryos fail to live up to stem-cell...
Modeling Solar Cells on Butterflies
February 7, 2009
Sunlight is free – if we could just learn how to use it better. For decades, engineers have been trying to improve the efficiency of solar cells. Why not look...
Obama and Stem Cells: Hope Chest or Pandoras Box?
January 31, 2009
...the article clarified in paragraph 6. “It is the other type of stem cells, embryonic stem cells, that some activists find objectionable, partly because these cells are derived from embryos...
Who Wants Embryonic Stem Cells?
December 17, 2008
...in the article, however, were from adult stem cells and “induced pluripotent stem cells” (see 11/05/2008), derived from adult somatic cells, that behave “like” embryonic stem cells without the need...
How Cells Thread a Needle
October 17, 2008
...cells do it. The mechanism was described by Anastassios Economou in Nature this week.1 Cells have to do this kind of thing all the time, so they have...
Selling Stem Cells to Voters
October 15, 2008
...cells. Researchers in London observed what happened to embryonic stem cells from genetically-engineered mice with an extra chromosome 21. The study did not use human embryonic stem cells. Nothing was...
Adult Stem Cells Race Ahead; Embryonics Falter
August 7, 2008
Major advances are being made with induced pluripotent stem cells (iPS), stem cells reconstituted from adult tissues, while interest in embryonic stem cells (ES) seems to be drying up. ...
Adult Stem Cells May Cure Muscular Dystrophy
July 19, 2008
...and strength.” It took awhile to identify the correct cells, but “Once the stem cells were in place, they spread throughout the muscle, producing new cells and improved the way...