That's why some manufacturers offer stereo modes in their speakers, which let you connect two speakers together for left and right channels, or even just extra sound to fill a room.

A crystal structure of the intact, dimeric phage λ cI repressor bound to a DNA operator site reveals an unusual architecture allowing the repressor to adopt a conformation that facilitates ...

Here we report the crystal structure of the human centromeric nucleosome containing CENP-A and its cognate α-satellite DNA derivative (147 base pairs).