| The genes you don't get from your parents (but can't live without) By Devin Shuman, directed by Luísa M H Copetti, Hype CG Inside our cells, each of us has a second set of genes completely separate from our 23 pairs of chromosomes. And this isn’t just true for humans— it’s true of every animal, plant, and fungus on Earth. This second genome belongs to our mitochondria, an organelle inside our cells. So why are they so different from anything else in our bodies? Devin Shuman explores the purpose of mitochondrial DNA. View the animation » | | | What happened to the lost Kingdom of Kush? By Geoff Emberling, directed by Carlos Rupit & Lizeth Rodríguez Along the Nile River, in what is now northern Sudan, lay the ancient civilization of Kush. Though they were once conquered by a powerful neighbor, the kings and queens of Kush would go on to successfully challenge two of the most dominant empires in history: the Egyptians and the Romans. So what happened to this African kingdom? Geoff Emberling details the rise and fall of the Kush empire. View the animation » | | |