Key to long life - BBC

Name: Key to long life - BBC
Uploaded: 2010-12-02T17:18:18+00:00
Description: Did you know that all beings use roughly the same amount of heartbeats if left to live a full life? The Supernatural team explains why it's all about...

Collected by alpha8 on Dec 2, 2010

Did you know that all beings use roughly the same amount of heartbeats if left to live a full life? The Supernatural team explains why it's all about...

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