cosmology
There might not be a Nobel Prize for mathematics, but maths is at the heart of the 2006 Nobel Prizes.


Scientists have for the first time measured the speed of gravity and tested Einstein's assumption  or have they?

Plus is very proud to present Professor Stephen Hawking's own Birthday Symposium address.

This issue of Plus is a special, marking the occasion of Stephen Hawking's 60th birthday. Plus attended his Birthday Conference in Cambridge, where we interviewed some of the world's most influential mathematicians and physicists.


Earlier this year, a group of scientists at Bell Labs announced that they had succeeded in observing the effects of "dark matter"  invisible matter that can be detected only by its gravitational effects. 
Is the Universe finite, with an edge, or infinite, with no edges? Or is it even stranger: finite but with no edges? It sounds farfetched but the mathematical theory of topology makes it possible, and nobody yet knows the truth. Janna Levin tells us more.

COSMOS, the world's first national cosmology supercomputer, has been launched. 
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