A Japanese-led team of scientists attempt to shed light on the world of deep sea sharks.

First shown: 14 Jul 2015

The weird world of maras, desert-dwelling penguins and guanacos.

First shown: 2 Oct 2015

In the midst of winter, time-lapses show a magical country shrouded in frost and mist.

First shown: 2 Oct 2013

The final months of life in the womb, when cartilage hardens to form the skeleton.

First shown: 28 Sep 2015

Is the honey badger the world's most aggressive animal?

First shown: 18 Apr 2014

George McGavin investigates the dramatic life of the oak tree over the four seasons.

First shown: 1 Oct 2015

David Attenborough offers a unique perspective on 60 years of wildlife filmmaking.

First shown: 16 Nov 2012

Griff Rhys Jones, Rory McGrath and Dara O Briain head to the Hebrides.

First shown: 27 Dec 2010

The team look into how tech is being used to analyse the large-scale movement of people.

First shown: 3 Oct 2015

Forget the big bang - the real moment of creation was the Cosmic Dawn.

First shown: 9 Sep 2015

Michael Mosley looks at how scientists have probed the mind of the murderer.

First shown: 9 Mar 2015

How a single cell transforms in the first eight weeks after conception.

First shown: 14 Sep 2015

How deadly poisonous frogs can saves lives and why we see faces in everything.

First shown: 1 Oct 2015

The team gear up to celebrate the end of the tourist season Samburu style.

First shown: 29 Sep 2015

The story of our middle weeks in the womb - when we become an individual.

First shown: 21 Sep 2015

David Attenborough looks back on the scientific discoveries that have shaped his career.

First shown: 16 Nov 2012

Marcus du Sautoy demystifies the hidden world of algorithms.

First shown: 24 Sep 2015

A journey into the science of decay, using a typical kitchen and a garden left to rot.

First shown: 6 Dec 2011