The best of the rest from the Physics arXiv this week:
Combining citation data with Google Maps reveals the cities where science prospers, and those where it doesn't.
U.S. officials also warn that the situation may be worse than official reports suggest.
What looks like an ominous cloud actually poses little serious health risks for the US.
A computer scientist discovers a scam that skims such a tiny amount from so many sources that no one has much incentive to shut it down.
Astronomers have ignored white dwarfs in their search for exoplanets. That may have been a mistake, according to a new study of white dwarf habitable zones
If workers are forced to abandon a troubled nuclear plant in Japan, a complete meltdown is possible.
The second generation of iPad rivals will push tablets to places they've never gone before.
A Public Key Encryption system that can withstand quantum attack has been put forward by Japanese researchers
Pretty much everyone who wrote about Twitter's latest announcement got the story wrong.