Very much of the moment, Dark Matter and Dark Energy are subjects over which the scientific community is busily scratching its head, musing over whether the Standard Model (the neat package of particle interactions they've put together) is about to be sorely tested or whether it will hold fast against the new wave of physics Dark threatens to induce. Here is an article explaining the current situation;
The conclusion this article reaches is significant in many respects. Not only do Dark Materials beg questions of cosy cosmological constraints, they also herald a new era in the way we think about our Universe, and the relationship we have with the cosmos at large.
Kathy is the author of Quantumology. She met quantum mechanics in 1997 and pledged allegiance to its sources thereafter. She loves birds, the planet, the Sun, and Stargate SG1.