Uninterrupted and unspoiled by voiceover or music, the birdsong of sunrise in all its glory. Three different habitats, Britain's woodland, heathland and parkland, burst into song. Show more
Origins of Us
Episode 2: Guts
58 minutes
First broadcast: on BBC HDLatest broadcast: on BBC Four HD
Available for years
Series exploring how the human body charts our evolution. How our ancestors' hunt for food changed the shape of our face, the way we see and how we attract the opposite sex. Show more
Origins of Us
Episode 3: Brains
58 minutes
First broadcast: on BBC HDLatest broadcast: on BBC Four HD
Available for years
Series exploring how the human body charts our evolution. How living until old age and learning from one another has shaped human brains, and why our species has survived. Show more
Origins of Us
Episode 1: Bones
59 minutes
First broadcast: on BBC HDLatest broadcast: on BBC Four HD
Available for years
Series exploring how the human body tells the story of our evolution. Dr Alice Roberts looks at how our skeleton reveals how our ancestors stood, walked and ran for survival. Show more
Dr Xand Van Tulleken investigates why suicide is the biggest killer of men under 50 in the UK - causing more deaths in this group than car accidents, and even more than cancer. Show more