Cure for cervical cancer, black leopard sighting & Mars One goes bankrupt – This Week in Science

This week, we saw a potential cure for cervical cancer, the first real footage of an African black leopard in a century, and heard news of the Mars colonising startup Mars One running out of money. Here's our science junkie, Kavya Narayanan, with this week's wrap of science. Follow us on Twitter @tech2eets - https://twitter.com/tech2eets and on Facebook - http://www.facebook.com/tech2dotcom