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2020 The power of sight

'Seeing' maths; changing how the world sees you; and helping to restore sight.

• 40 mins

The Godfather of Hollywood sound

Walter Murch is a superstar sound designer. His ingenuity transformed cinema forever

• 23 mins

Making horse-racing history in a hijab

Teenager Khadijah Mellah became the first Muslim woman to ride and win in Britain

• 15 mins

The Welsh miner who made wrestling glamorous

"Exotic Adrian Street" got abuse for his flamboyant outfits - but they made him a star

• 26 mins

I prayed to God to make me a girl

Abby Stein grew up in a Hasidic family and was born male but she felt she was a girl

• 23 mins

My nightmares about the policeman who framed me

Winston Trew was falsely accused of stealing and spent 50 years trying to clear his name

• 19 mins

The pianist who learnt to play on a paper piano

Andrew Garrido鈥檚 family couldn鈥檛 afford a piano so he taught himself on a paper keyboard

• 20 mins

How I built a billion dollar business

Janice Bryant Howroyd: the first African-American woman to run a billion dollar company

• 20 mins

The first beauty queen in a free South Africa

Basetsana Kumalo was crowned Miss South Africa after the country's first democratic vote

• 26 mins

鈥業鈥檓 going to say sorry to the whales鈥�

Vittorio Fabris鈥� treacherous journey from Venice to Nantucket was inspired by Moby Dick.

• 14 mins

Forced to teach in a 鈥榬e-education鈥� camp

Sayragul Sauytbay says she was made to work in a detention camp for Chinese Muslims

• 29 mins

I was shot while performing a vasectomy

Dr Andrew Rynne, an Irish contraceptive pioneer, was attacked by a disgruntled ex-patient

• 20 mins

Life as a lone identical twin

David Loftus on rebuilding his life after the tragic death of his twin brother

• 22 mins

The black woman who cared for a Klansman

The temping job that took a young African-American woman into the home of a KKK member

• 26 mins

The virtuoso musician detained as a child

South African double bassist Leon Bosch was arrested for protesting against apartheid

• 23 mins

Our secret tunnel that saved the city

Edis Kolar guarded a lifesaving tunnel built in his basement during the siege of Sarajevo

• 18 mins

The student who became my son

Tim King was a teacher in Chicago who took in a student after their mother died

• 19 mins

I was a teenager at Auschwitz

Holocaust survivor Dita Kraus was only 14 when she was taken to a Nazi concentration camp

• 41 mins

The daughter and the double agent

The Latvian forced to make an agonising choice in a world of Soviet-era spying

• 26 mins

Saving my zoo from Australian wildfires

Zookeeper Chad Staples took animals into his own home to save them from the raging fires

• 9 mins

I grew up in a secret nuclear city

Nadezhda Kutepova exposed the deadly legacy of a secret nuclear plant in Soviet Russia.

• 24 mins

The film tickets that destroyed a family

When Neelam Krishnamoorthy鈥檚 two children died in a fire, she began a fight for justice.

• 20 mins

I brought my daughter鈥檚 killer down

Karen Edwards on the anguish she felt after the murder of her daughter Becky.

• 22 mins

The making of a disco star

Marcia Barrett was a lead singer of the chart-conquering disco band, Boney M

• 26 mins

I knocked out sexism in British boxing

Jane Couch fought both in the ring and in court to make women鈥檚 boxing legal in Britain

• 23 mins

The avid hunter turned pioneering conservationist

An encounter with a Bobwhite Quail made Lebanese hunter Assad Serhal rethink his life.

• 12 mins

Discovering my dad was a music superstar

Anoushka Shankar found out that her father was Indian sitar legend Ravi Shankar.

• 23 mins

Michael Johnson: how the world's fastest man learned to walk again

US Olympic champion Michael Johnson had to learn to walk again following a stroke.

• 39 mins

The Canadian cop who uncovered a police scandal

When a First Nations teenager was found frozen to death Ernie Louttit wanted answers

• 26 mins

The star student with an agonising secret

Dan-el Padilla Peralta went from an undocumented US immigrant to a Princeton professor.

• 24 mins