Inside the blue whale | The Life of Mammals
Everyone has heard of the blue whale, yet they are rarely seen and not often filmed. Sir David's delight at the privileged close up view of one of these ocean giants as it breached right beside him is evident. Although difficult to comprehend, at 30 metres in length and 180 metric tons or more in weight, the blue whale is the largest animal ever known to have existed.
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Compilation | Attenborough at 90
A short montage of the fun and amazing moments David Attenborough has shared in his documentaries over a 70-year career.
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T Cells (Full Programme) | Made of Stronger Stuff
Psychologist Kimberley Wilson and Dr Xand van Tulleken take a journey through the body's immune system and profile a remarkable white blood cell.