'''<span style="font-size:20px;">External links</span>'''<br/> Denis Noble: [https://www.youtube.com/watch?v=hS6PDOcJwY8 What is life"-lecture: Denis Noble - YouTube]<br/> [https://www.youtube.com/watch?v=QOCaacO8wus What Is Life? Is Death Real? - YouTube]
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[[What is DNA?]]<br/>