A simulation of the way outsider galaxies like the Milky Way are drawn into larger clusters explains how they can cling onto their star-forming ability
A team of physicists claim to have a mathematical proof that some things will always be impossible to describe computationally (full text available to subscribers)
A mammoth project to restore the Florida Everglades is still too bureaucratic and slow to halt species loss, says the panel charged with reviewing the plan
The European Union was planning to impose limits on CO emissions from cars, but car makers argue that the financial crisis will make the targets impossible to achieve
fMRI is a widely-accepted, useful research tool, but whether it can really predict who is telling the truth is another matter entirely (full text available to subscribers)