Super-volcano, robotic rebellion or terrorism? Kate Ravilious asks 10 scientists to name the biggest danger to Earth and assesses the chances of it happening. —What a way to go (Guardian)
Just in case you’ve gotten lax and started feeling optimistic or something, and you were planning to get a good 8 hours sleep tonight, this list will give you something worthwhile to fear.
I played hooky to go see Wild Robot this afternoon, so I went back to…
I first started teaching with this handout in 1999 and posted it on my blog…
In a hole in the ground there lived a hobbit. @thepublicpgh