Marianne Freiberger

Experiment discovers evidence for dark matter

Making sure that vaccination works

Think drug-induced hallucinations, and the whirly, spirally, tunnel-vision-like patterns of psychedelic imagery immediately spring to mind. But it's not just hallucinogenic drugs that conjure up these geometric structures. People have reported seeing them in near-death experiences, following sensory deprivation, or even just after applying pressure to the eyeballs. So what can these patterns tell us about the structure of our brains?

A new 3D version of the Mandelbrot set

The 2009 Nobel Prize in Economics goes to two unusual economists

Some preliminary results on the swine flu pandemic

And what are gravitational waves?

A new foam with medical potential

An unconventional perspective on an art show

How do we know how many people have got it?

A statistical test applied to the election results