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Regenerating damaged cardiac muscle

To mend a broken heart—that is, to regenerate a damaged cardiac muscle—it helps to know how hearts are built. "How does one stem cell, which has no specific identity, develop into multiple cell types that organize into ...

1 hour ago
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What sudden insights look like inside the brain

Insight—you know the feeling. It's that amazing idea, the solution that hits you like a bolt of lightning. It can come to you while you're mulling over a problem, or days later, when you're making a sandwich or mowing the ...

2 hours ago
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