September 07, 2007

Britain approves human-animal embryo research

British authorities have decided to permit scientific research using hybrid human-animal embryos. Researchers hope to use the embryos to create stem cells that might provide new medical treatments for degenerative diseases, such as Alzheimer's. The decision, however, is still controversial, and many countries are reluctant to allow similar studies. Here's the article discussing the issue.

How much do you know about stem cells? Take the quiz and find out. There are still many diseases that puzzle scientists. Learn about some of them here. Then try a reading comprehension activity.

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