Tag Archives: astrobiology

Synthetic DNA and the necessity of biological mechanisms

Scientists have created synthetic DNA with four extra “letters”: A couple billion years ago, four molecules danced into the elegant double-helix structure of DNA, which provides the codes for life on our planet. But were these four players really fundamental … Continue reading

Posted in Zeitgeist | Tagged , , , , | 21 Comments

The extraordinary low probability of intelligent life

Marc Defant gave a TEDx talk on the improbable events that had to happen in our planet’s history for us to eventually evolve, along with the implications for other intelligent life in the galaxy. I find a lot to agree … Continue reading

Posted in Space | Tagged , , , , , , , | 25 Comments