Dark matter comes out of the cold

BBC NEWS | Science/Nature | Dark matter comes out of the cold

Now it appears that Dark Matter particles are transparent to light, ... have no electrical charge, ...... move at slightly over 20,000 MPH ,,,, and would be about 18,000 F., if they were made of Hydrogen atoms. (which they are not) ..... have a density equal to the weight of about 0.3 Hydrogen atoms per cc near the Sun ... and a maximum density equal to the weight of about 4 Hydrogen atoms per cc.
They are, however not composed of electrons, protons or neutrons.
It also appears that they only exist in areas of space 1,000 light-years wide, or bigger.

From the article HERE:

Thanks to its unusual nature, it has a high temperature caused by the excited movement of its particles but no heat.

Prof Gilmore added: "The strange thing about dark matter is that it has temperature but doesn't give off radiation. It is a different form of matter not made of the same stuff as ordinary matter that consists of protons and neutrons, and has no charge."