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Listed under: Science > Scientific inquiry > Experiments > Test validity

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Stem Cells Repair

TLF-IDM016266

This 11 minute video segment from Catalyst is a case study of research in the use of stem cells. It demonstrates the structure of the knee joint and the role of bones and cartilage. Stem cells from bone marrow are collected and used in attempt to prevent the onset of arthritis. This program distinguishes embryonic from ...

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Future of the moon

TLF-IDM016159

This 4 minute video segment from Catalyst describes how Moon rocks may hold clues about the beginnings of life on Earth because of the lack of weathering and erosion.