主播大秀

01/10/2013 GMT

Explorations in the world of science.

• 26 mins

Ashes to Ashes

Can ash trees be saved from the deadly ash dieback fungus?

• 26 mins

Ashes to Ashes

Could an emerald coloured beetle wipe out ash trees in Europe?

• 26 mins

Russell Foster

Professor of circadian neuroscience Russell Foster on how light controls our wellbeing

• 26 mins

Joanna Haigh

The professor who studies the sun and the impact of its radiation on the Earth's climate

• 26 mins

Mike Benton

Jim al-Khalili discusses digging up dinosaurs in remote places with Professor Mike Benton

• 26 mins

Jenny Graves

Prof Jenny Graves on the evolution of sex genes from fauna to the male Y chromosome

• 26 mins

Nirvana by Numbers

Did the number zero come out of religious culture in ancient India?

• 26 mins

Gut Microbiota

The important relationship between microbes that live in our gut and our health

• 26 mins

The Power of the Unconscious

The crucial role of our unconscious, and how scientists are harnessing its powers

• 26 mins

Self-Healing Materials

The new materials that can self-mend, from concrete cracks to car paint scratches

• 26 mins

The Return to Mawson's Antarctica - Part One

Join polar scientists on an expedition to part of Antarctica last explored 100 years ago

• 26 mins

The Return to Mawson's Antarctica - Part Two

Could changes in the water underneath the ice have consequences for the world's oceans?

• 26 mins

The Return to Mawson's Antarctica - Part Three

Penguins, seals and a stranded vessel - join the Australasian Antarctic Expedition 2013

• 26 mins

The Return To Mawson's Antarctica - Part Four

The mission to rescue the Australian Antarctic Expedition trapped in ice for 10 days

• 26 mins

Geoengineering

Can putting chemicals in the stratosphere to block the sun stop global warming?

• 26 mins

Chronotypes

Why are some people 'early birds' while others are 'night owls'?

• 26 mins

Fixing Nitrogen

What are alternatives to the process that takes nitrogen from the air to make fertilizer?

• 26 mins

Saving the Oceans - Part One

Tackling the problems of population and rising seas for the Pacific islands of Kirabati

• 26 mins

Saving the Oceans - Part Two

Saving sharks and snails in the Pacific using modern technology and traditional practice

• 26 mins

Saving the Oceans - Part Three

Commercial fishing鈥檚 impact on bird evolution, and the threat of coral eating starfish

• 26 mins

Saving the Oceans - Part Four

Aboriginal knowledge and modern science helps to preserve Australia鈥檚 marine ecology

• 26 mins

Show me the Way to Go 主播大秀

How animals navigate, from homing instincts to smell maps and astronomy

• 26 mins

Hack my Hearing

Can hacking hearing aids create a new super sense for people with hearing loss?

• 26 mins

Fructose: the Bittersweet Sugar

Is fructose a 'toxic additive' or a healthy fruit sugar?

• 26 mins

The Biology of Freedom

Is free will unique to humans or a biological trait that evolved over time?

• 26 mins

Inside the Shark's Mind

Can science stop sharks attacking humans?

• 26 mins

Vikram Patel

Jim al-Khalili discusses global mental health with psychiatrist Professor Vikram Patel

• 26 mins

Peter Higgs

Peter Higgs opens up to Jim Al-Khalili about the Higgs boson.

• 26 mins

Whatever Happened to Biofuels?

Can we make biofuels from the sugars in the inedible parts of plants?

• 26 mins