The Conversation

What I learned from debating science with trolls

I often like to discuss science online and I'm also rather partial to topics that promote lively discussion, such as climate change, crime statistics and (perhaps surprisingly) the big bang. This inevitably ...

Aug 20, 2014
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Habitable exoplanets are bad news for humanity

Last week, scientists announced the discovery of Kepler-186f, a planet 492 light years away in the Cygnus constellation. Kepler-186f is special because it marks the first planet almost exactly the same size as Earth ...

Apr 24, 2014
3.8 / 5 (85) 92

The five biggest threats to human existence

In the daily hubbub of current "crises" facing humanity, we forget about the many generations we hope are yet to come. Not those who will live 200 years from now, but 1,000 or 10,000 years from now. I use ...

May 29, 2014
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