It's a mystery mankind has struggled to solve since the beginning of history - is space infinite or might there be great cosmic border where everything ends? Groundbreaking cosmology and state of the art space telescopes, now suggest the Universe has a finite size and a unique shape. If this is true, there must be an edge to the Universe, and beyond that edge, there could exist a world beyond our wildest dreams.

Brian asks how, from a lifeless cosmos, it is possible that a planet can produce the more than eight million species we know of.

Earth's surface is covered in weird and wonderful patterns. The Australian outback is covered in pale spots, the work of wombats; a clearing in the endless green canopy of the Congo rainforest has been created by an incredible elephant gathering; and the twists and turns of the Amazon make a home for rehabilitated manatees. This is our home, as we've never seen it before.

One of Britain's most celebrated artists, Turner showed exceptional artistic talent from an early age and entered the Royal Academy aged fourteen. His English landscapes made his name but there was a darker side to his paintings that was difficult for the critics to swallow, both in the increasingly informal use of paint and the subject matter that was critical of the romanticised vision of Britain in the late nineteenth century.

The terrorist group Boko Haram is responsible for thousands of deaths in Nigeria. Now, the government is determined to drive these militants from the country. But is the hunt for insurgents causing as much harm as it's preventing? Former Navy SEAL and new VICE correspondent Kaj Larsen travels to Nigeria to see what this cat-and-mouse game means for the people caught in the middle of the fight. 'Unnatural Selection': For centuries, scientists have been working to change the genetic traits of plants and animals. Now, the new gene-editing method CRISPR has made that process astonishingly simple - so simple it could easily be used on humans. Isobel Yeung reports from Brazil, Scotland, China and the U.S. on the technological advances that could reshape evolution as we know it.

Zachary Quinto charts a journey to determine whether time travel is possible. He meets a man who claims to have traveled back in time due to a secret government program and a group of people living in Liverpool known as 'time slippers'.
Zachary makes a visit to the CERN headquarters in Geneva, where he attempts to understand the origins of the universe and the dimension of time. Equipped with this new knowledge, Zachary tests his own perception of time with an elaborate skydiving experiment to see if he can slow down time itself.