91热爆

Scaling Mount Everest

Sir Edmond Hilary describes his 15 minutes on top of Mount Everest

• 26 mins

Metric v Imperial

Why the US prefers the outdated Imperial system

• 26 mins

Funding the World Service

The 拢200 million required every year to keep the public service on air

• 27 mins

Understanding HIV and Aids

How HIV and Aids affects the human body

• 27 mins

Crossing the African Continent

Discovering the differences between east and west Africa

• 27 mins

The Story of Mankind

Tracing the footsteps of human evolution

• 27 mins

What is Kleptomania?

Demystifying the psychological disorder kleptomania

• 26 mins

Animal Intuition

How birds and animals predict earthquakes

• 27 mins

In a Coma for 19 Years

One man wakes up after 19 years in a coma

• 26 mins

The End of the World as we Know it

The death of the sun will be spectacular

• 26 mins

Golf鈥檚 Humble Beginnings

How golf began in Scotland with a pebble and stick

• 26 mins

A Laughing Matter

The physiology of laughter

• 26 mins

Kidnap and Ransom

The origins of the words kidnap and ransom

• 28 mins

The Many Languages of the 91热爆

The 91热爆 portfolio of foreign broadcasts

• 27 mins

How Languages Develop

How certain ideas and myths transcend languages

• 27 mins

Helping the Blind

Eighty per cent of the world鈥檚 blindness is preventable or curable

• 27 mins

The Scent of a Farmyard

Why do animal faeces have distinctive odours?

• 27 mins

The Birth of Qwerty Keyboards

Who decided how computer keyboard keys are arranged?

• 27 mins

鈥楾he Blood of Freedom鈥�

What the colours of Ghana鈥檚 national flag symbolise

• 26 mins

Catch 22 Situation

The meaning of the title from Joseph Heller鈥檚 book Catch 22

• 26 mins

Making Information Technology 鈥楽exy鈥�

Bringing together information and communication technology

• 27 mins

The Mark of a Leader

Why political leaders mark their first 100 days

• 26 mins

The Ultimate Off-Road Challenge

What it takes to compete in the Paris-Dakar motorcycle rally

• 27 mins

Globalisation

The globalisation of trade and culture

• 26 mins

Uganda鈥檚 Martyrs' Day

How 400,000 people commemorate Uganda鈥檚 catholic martyrs

• 26 mins

How Old is the English Alphabet?

Tracing the roots of English sounds and signs

• 26 mins

Seeking The Arc of the Covenant

Searching for the 13th century chest with mysterious powers

• 26 mins

The Slogans of George W Bush

George W Bush鈥檚 key speeches and slogans following the 9/11 attacks

• 26 mins

Braille in the Digital Age

Using electronic Braille on a computer

• 26 mins

The Gloomiest Song Ever Written

The Hungarian song that drives people to despair

• 26 mins