D-$ is back and coming at you from the new WhatItDo studio for Halfcast, complete with a few kinks to work out... To kick off the beginning of the week D-$ brings out one of the scariest things to be found on Twitter: Two-headed sharks! Giving Bill Nye the Science Guy a run for his money, D-$ breaks down the crazy story behind the abnormal beasts of the ocean. Take a listen if you dare!