主播大秀

Invisibility

Is invisibility good or bad? Is it a matter of optics, morality or magic?

• 40 mins

Risor Festival: Outcasts

When is it better to remain an outsider? And what makes outcasts unwelcome?

• 40 mins

Time to Rethink What is 'Normal'?

Where is the dividing line between what is normal and what is a mental disorder?

• 40 mins

South Africa: Education

What鈥檚 the future of education in South Africa?

• 40 mins

Democracy and the Arts in South Africa

The Forum at the National Arts Festival in Grahamstown.

• 40 mins

Bubbles

The curious properties of bubbles in the oceans, in our bodies and in art.

• 40 mins

Grass

Grass provides 60% of human calorie intake and covers a quarter of the planet

• 40 mins

Blood

The life-giving fluid in science and in our culture

• 40 mins

Multilingualism

The advantages and disadvantages of speaking more than one language

• 40 mins

Rivers

Why they are essential to our planet and how they can even shape our psyche

• 40 mins

Challenges of Nanoscience

Transforming biosciences with particles just a few billionths of a metre across

• 40 mins

Rewilding

The impact of leaving the land to its own devices

• 40 mins

Aliens

Why do some people believe in aliens and extra-terrestrials, and not others?

• 40 mins

Self Assembly

How simple cells, molecules and even robots can work together to achieve complexity

• 40 mins

Uncertainty

How to approach uncertainty in the modern world

• 40 mins

Natural Navigation

Spatial processing in the brain, bird migration and natural navigational clues.

• 40 mins

Robots with a Heart

Do we want robots to be more social? The Forum at World-Changing Ideas Summit in New York

• 40 mins

Uniformity

When is regularity good and when does it become boring, or even oppressive?

• 40 mins

Big Data and Us

Who can we trust in the world of Big Data and how is it changing our lives?

• 40 mins

Lines

How a spark of inspiration is transformed into a line on canvas or a line of verse.

• 40 mins

Mutations in Nature

How do organisms change and evolve to adapt to their environment?

• 40 mins

Temperament

Are our personalities shaped by what we are born with or shaped by our experiences?

• 40 mins

Unintended Consequences

How seemingly insignificant decisions can lead to dramatic outcomes

• 40 mins

Hierarchy

Do we have to have a 鈥榩ecking order鈥�?

• 40 mins

Possessions

Do the things we own and collect enrich our lives or weigh us down?

• 40 mins

Self-Control

How important is our ability to postpone pleasure and can we ever master it?

• 40 mins

Feet

How do our feet work when we stand or walk, or when we dance with them?

• 40 mins

Interruptions

The etiquette of interrupting a conversation, and the distracting impact of our gadgetry

• 40 mins

Wood

Our changing attitude to wood and living in a 鈥榩lyscraper鈥�

• 40 mins

Imagination

The marvellous ability to create almost anything we want in our minds

• 40 mins