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Adult Stem Cells Grow Heart Valves

If this works in animal testing, it could be a great breakthrough in the treatment of heart disease. Scientists have taken stem cells from bone marrow and, using a scaffold, engineered them into new heart valves. From the story in the Guardian:Growing a suitably-sized piece of tissue from a . . . . Continue Reading »

Most Biotechnology is Not Controversial

Take this story as just one example: Scientists have used bacterial enzymes to convert one blood type into another, potentially ending the threat of blood shortages. There is a lot going on out there that is entirely laudable and has nothing whatsoever to do with embryonic stem cell research or . . . . Continue Reading »

Let’s Take a Poll About ESCR and Cloning

The last several years have been quite eventful in the field of biotechnology. President Bush was castigated for modest restrictions on federal funding of human ESCR and his policy is on the brink of being overturned. Several countries outlawed all human cloning. Some, like the UK moved full speed . . . . Continue Reading »

SHS Hits 15,000 Monthly Visitors

In less than a year when I began keeping track, visitors to Secondhand Smoke have increased from 10,000 to the just hit 15,000-plus visitors each month. I am most pleased. Granted, it isn’t a Little Green Footballs or a Daily Kos, but I am happy. The issues with which we grapple here are among . . . . Continue Reading »

Human Cloning: Have Your Say

The Scientist is having an on-line discussion about human cloning. Below are the questions The Scientist poses:Is the nuclear transfer challenge one of understanding or technique? It would seem that the scientific community presumes successful stem cell cloning is a matter of resources and technical . . . . Continue Reading »

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