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Celebrating Postmark Africa

A look back at the programme’s humble beginnings as it celebrates 40 years on the airwaves

• 29 mins

Why Boats Float

From simple logs to steam ships – what makes boats float in water?

• 28 mins

Release Your Cosmic Energy

How yoga’s lotus position can help release trapped cosmic energies

• 29 mins

Hindu Reincarnation

Can the soul of a Hindu person return as a cow?

• 29 mins

The Unknown Soldier

The origin of the term ‘unknown soldier’ and why it’s used

• 29 mins

'Planes Will Fall From the Sky'

How the millennium bug incited global panic

• 29 mins

Do Mosquitos Only Bite at Night?

From malaria to rift valley fever: how and when mosquitos transmit diseases

• 30 mins

Red Sky At Night

Why does the sun turn red in the evening?

• 29 mins

Six Feet Under

Where and when were coffins first introduced?

• 29 mins

Honeymoon Superstitions

Tying an egg-laying hen to the bed and more newlywed traditions

• 29 mins

Desperately Seeking Female Playwrights

Only 13% of entries to the African Performance competition were written by women

• 29 mins

No More School Fees!

Students in a Zambian girls’ school put their headmaster under the spotlight

• 30 mins

Bright Spark Megawati

The rise of Indonesian politician Megawati Sukarnoputri

• 28 mins

The Bald and the Beautiful

Why genes, age and testosterone are to blame for male baldness

• 29 mins

The Killer Thriller

James Hadley Chase’s son, Harvey Raymond, on how to write a thriller

• 28 mins

A History of Prostitution

From brothels that funded armies to prostitution in places of worship

• 29 mins

Gravity Getting You Down?

Gravity explained: why it happens, how it works and who discovered it

• 28 mins

Society Ties

How neck ties changed from status symbols to fashion statements

• 28 mins

Bold Gestures

How our gestures show what we’re really thinking

• 28 mins

Is The Truth Out There?

Extraterrestrial visitations and more highlights from the show in 1999

• 28 mins

Is Eden in Africa?

All modern humans are descended from two African ancestors

• 29 mins

The Real Robin Hood

Searching for the man behind the legend, who died in 1247

• 28 mins

Buddhism in Tibet

The roles of the Dalai Lama and Karmapa Lama within Tibetan Buddhism

• 28 mins

Africa’s Second Class Citizens

Women’s restricted access to education, health care and economic empowerment

• 29 mins

Soccer or Football?

How American sports evolved from their European counterparts

• 30 mins

Africa’s First Coup

When did the proliferation of military coups in Africa begin?

• 29 mins

Arming Africa’s Rebels

The fight to promote responsible arms export regimes in the West

• 29 mins

Illegal Abortion in Botswana

How to stop unsafe back street abortions in Botswana

• 29 mins

Cyclones, Hurricanes and Typhoons

Why some areas are prone to extreme weather events

• 29 mins

Pilgrimages to Mecca

The difference between Hajj and Umrah

• 29 mins