Economists: best at working with quantifiables, but this can make
it difficult to assess unknown costs/benefits, e.g., price of
oil in 5 years vs. benefits of solar today (though costly today
to set up).
- "What should the balance be between research and deploying
Shakori responded: "Need a workforce for new technologies before
find/improve any one of them."
- Tech problem (making energy) vs. social (changing our nrg expectations)
Msg I got from talk is that very difficult to meet our energy
needs with any of these technologies, at least individually. So
question (of course) can be changed to: can/ought we to change
our energy demands?
. How would we do this?
. Expectations of developing countries (China)?
. What sacrifices should individuals be asked to make? Or
is $$ the more effective way?
- Saw above that if 12 trillion watts, that's about 1722 kcal/hr.
Perspective, given our dietary kcals are a few thousand (right?).
Clearly, much energy and disproportionate.
How many watts should one get? Does this approach seem
- Understand the hierarchy.
- Self-renewal an differentiation are key concepts for SC.
- Mark's sc talk, reviewing Forsberg:
- Focus of most stem cell research and SCNT is regen. med. Motivation:
Overcome tissue rejection by host immune system.
- Forsberg review by Mark: different expression profiles for
different hema. SC types. For disease, compare, within type,
disease vs. wild-type to know which genes misfunctioning (assoc
- Slide 12 is great b/c shows other SCs in relation to hematopoietic.
- FACS is amazing tech. Slide 19.
- slide 21: experimental procedure. Explain irradiation.
From last time:'More practice'
...and for discussion. The following excerpts are from from the
Lawrence J. Nelson required reading. Try to lay out the formal
structure as above.
- Embryos are morally considerable in part "because they are valued
... by sincere moral agents whose attributions of moral status
must be given serious consideration as well as some deference and
Nelson's "principle of evaluative respect and
- "Embryos are in a morally unique relationship with the persons
who deliberately used their gametes to bring them into
existence. For those persons and only those persons,
embryos are genetically a literal part of them and have the
potential to become their children. Consequently, these embryos
have some moral status due to their unique relationship with
the gamete sources."
- "But this potential has moral significance only if the woman
who provided the egg, or some other woman, voluntarily chooses
to gestate the embryo with the consent of both gamete
sources. Embryos do not have moral status simply because they
have theoretical potential to develop into born
persons. Embryos have true potential only if they are in the
process of being gestated by some particular woman."
- "...there are sufficient scientific reasons to believe that
research with stem cells could someday result in significant
benefits for suffering and injured persons. This is a great
moral good; it is not mere caprice or frivolity that underlies
the promise of stem cell research. Therefore, it is ethically
permissible for embryos, which have a modest moral status but not
the status of persons, to be destroyed in the course of
responsible stem cell research -- provided they are
destroyed with a sincere attitude of respect, for there is a
moral loss here -- something morally valuable is being destroyed,
and provided they are used only with the voluntary,
informed consent of both gamete sources."