Why are unused embryos available? How could they be used in medical research?

Abandoned embryos may be discarded, but they should not be used for research or donated to other patients without prior consent. In some cases, patients may have given consent to use spare embryos for research but were not informed of the possibility of ES cell research.

Explanation:

Why are embryos used in medical research?

Stem cells can be obtained at the early stages of embryo development; these cells are called human embryonic stem cells (hESC). They also could be used in research to develop drugs to treat serious diseases, or to repair organs following a stroke or heart attack.

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2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.