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Archive for April, 2009

When President Barack Obama eased limits on taxpayer-funded embryonic stem cell research, the big question became how far scientists could go. Friday, the government answered: They must use cells culled from fertility clinic embryos that otherwise would be thrown away.

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Transplants of stem cells have freed patients with type 1 diabetes of daily insulin injections, researchers have announced.

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It was long thought that the human heart, like the brain, was unable to grow new cells after birth. But today scientists announced the first evidence that new heart cells are made throughout a person’s life.

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