BBC Earth

Sir David Attenborough looks at some amazing quirks of evolution. David encounters two examples where nature has tinkered with the ageing process.

Some animals appear to have stretched their natural gifts to the limits. Sir David Attenborough looks at the giraffe, who must reach the tallest branches to find food, and the chameleon, who must use their camouflage to hide from predators.

Gregg Wallace is in South Shields at a clothing factory where they produce 650 waxed jackets a day. He follows the production of water-resistant jackets from the arrival of 500 metre long rolls of undyed cotton through to dispatch. Along the way he sees the fabric dipped into baths of wax heated to 95 degrees Celsius and learns how a 23 piece pattern is used to create a complex 3D jacket jigsaw.

A trip through Devon to the tip of Cornwall, going back in time to recapture the golden age of luxury train travel. From Dawlish, it heads to Cornwall and across the Royal Albert Bridge, a masterpiece of railway engineering.

All aboard the luxury heritage train The Northern Belle as it makes a grand tour of England's glorious rural northwest. Beginning in Preston, its passengers are soon travelling through Cumbria and the landscapes of the Lake District.

Revealing the tales behind the filming of Blue Planet II's most memorable moments. An exploration of how the series was created, the people behind the lenses and the advanced technology used for filming.

Brutal storms threaten the lives of those living in the Arctic as they enter Dark Winter.

Gregg Wallace is in South Shields at a clothing factory where they produce 650 waxed jackets a day. He follows the production of water-resistant jackets from the arrival of 500 metre long rolls of undyed cotton through to dispatch. Along the way he sees the fabric dipped into baths of wax heated to 95 degrees Celsius and learns how a 23 piece pattern is used to create a complex 3D jacket jigsaw.

A trip through Devon to the tip of Cornwall, going back in time to recapture the golden age of luxury train travel. From Dawlish, it heads to Cornwall and across the Royal Albert Bridge, a masterpiece of railway engineering.

All aboard the luxury heritage train The Northern Belle as it makes a grand tour of England's glorious rural northwest. Beginning in Preston, its passengers are soon travelling through Cumbria and the landscapes of the Lake District.

Revealing the tales behind the filming of Blue Planet II's most memorable moments. An exploration of how the series was created, the people behind the lenses and the advanced technology used for filming.

They have the most complex social lives of any animal group on the planet. From dusky leaf monkeys who compete to babysit an infant to gibbons who learn dare-devil treetop acrobatics with their playmates, friends and family are at the heart of primate life. In the Amazon we meet a female spider monkey elder, who leads her troop to a unique food resource: aquatic plants brought within reach on raging floodwaters.

Brutal storms threaten the lives of those living in the Arctic as they enter Dark Winter.

Gregg Wallace is in South Shields at a clothing factory where they produce 650 waxed jackets a day. He follows the production of water-resistant jackets from the arrival of 500 metre long rolls of undyed cotton through to dispatch. Along the way he sees the fabric dipped into baths of wax heated to 95 degrees Celsius and learns how a 23 piece pattern is used to create a complex 3D jacket jigsaw.

A trip through Devon to the tip of Cornwall, going back in time to recapture the golden age of luxury train travel. From Dawlish, it heads to Cornwall and across the Royal Albert Bridge, a masterpiece of railway engineering.

All aboard the luxury heritage train The Northern Belle as it makes a grand tour of England's glorious rural northwest. Beginning in Preston, its passengers are soon travelling through Cumbria and the landscapes of the Lake District.

Sir David Attenborough reveals nature's evolutionary anomalies. Here he looks at the platypus and the curious case of the male Midwife Toad.

Nalla, the elephant matriarch, is grieving the loss of her sister, but with Kadogo missing there is no time to lose. She sets off to find him. After the floods, the land is starting the process of renewal. Bakari is enjoying the perks of being an alpha male, with both Cheka and Bibi vying for his attention. He is blissfully unaware of the conflicts going on behind his back.

Joanna's visit to Rome includes the Trevi Fountain, a meeting with a famous paparazzo, the privilege of unlocking the Sistine Chapel with its single key, and meeting famous movie star Gina Lollobrigida at Bulgari's flagship store.

Sue travels from the sacred summit of Shivling, source of the Ganges, to the beautiful mountain town of Rishikesh. Along the way, she meets some Hindu holy men known as sadhus, wealthy tycoons, as well as local families to find out what the future holds for this great river.

Simon focuses on some of the incredible wildlife stories he's encountered, from the eccentric Yorkshireman who founded a giant tortoise sanctuary on his island in the Seychelles to the armed conservationists defending a forest in Belize.

Simon meets some of the Cumbrian characters with different visions for the future of England's biggest National Park, including a campaign group trying to protect the remaining red squirrel populations.

An investigation into two of the most devastating hurricanes of modern times, including Hurricane Katrina, which struck the Gulf Coast of America in 2005, and Hurricane Maria which hit Puerto Rico in 2017.

Nalla, the elephant matriarch, is grieving the loss of her sister, but with Kadogo missing there is no time to lose. She sets off to find him. After the floods, the land is starting the process of renewal. Bakari is enjoying the perks of being an alpha male, with both Cheka and Bibi vying for his attention. He is blissfully unaware of the conflicts going on behind his back.

Joanna's visit to Rome includes the Trevi Fountain, a meeting with a famous paparazzo, the privilege of unlocking the Sistine Chapel with its single key, and meeting famous movie star Gina Lollobrigida at Bulgari's flagship store.

Sue travels from the sacred summit of Shivling, source of the Ganges, to the beautiful mountain town of Rishikesh. Along the way, she meets some Hindu holy men known as sadhus, wealthy tycoons, as well as local families to find out what the future holds for this great river.

Simon focuses on some of the incredible wildlife stories he's encountered, from the eccentric Yorkshireman who founded a giant tortoise sanctuary on his island in the Seychelles to the armed conservationists defending a forest in Belize.

Simon meets some of the Cumbrian characters with different visions for the future of England's biggest National Park, including a campaign group trying to protect the remaining red squirrel populations.

An investigation into two of the most devastating hurricanes of modern times, including Hurricane Katrina, which struck the Gulf Coast of America in 2005, and Hurricane Maria which hit Puerto Rico in 2017.