<human>:  With regards to the search for dark matter, where is the best place to look for it?
<bot>: The best place to look for dark matter is in the center of galaxies. Dark matter is thought to be the most abundant form of matter in the universe, and it is believed to make up most of the mass of galaxies. Dark matter is thought to be made up of particles that interact with each other only through gravity, and it is believed to be the source of the gravitational pull that holds galaxies together.