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This time-lapse video, recorded by the Messenger spacecraft en route to Mercury, shows what it looks like to say goodbye to planet Earth. 
What everyone should know about where our matter-and-radiation-filled Universe came from. “I don’t think at this point we have any way of knowing where the laws of physics came from. We […]
The world just lost a brilliant and fearless journalist. Michael Hastings did more in his short life than most people do in an entire lifetime. As information continues to come […]
To answer my own headline, not likely. The National Rifle Association seems to lead an “Even I Can’t Kill Me” charmed existence as the most powerful lobby in DC, and […]
As I’m writing this post, NASA’s latest Mars mission – the Mars Science Laboratory, also known as Curiosity – is just hours away from its destination. By the time you […]
In 1962, the latest and greatest form of artificial illumination was invented; the light emitting diode (LED).  In recent years, they have reached a level of illumination suitable for most applications of indoor lighting.
     As I have written here before, many of us are more worried about some environmental risks than the evidence suggests we need to be – mercury, bisphenol a, nuclear […]
      Here’s some bad news for those of you who like to think you can think rationally about risk. You can’t. You know all those thoughtfully considered views you have […]