Material World episodes available now on BBC iPlayer

Ocean observatories? Quentin Cooper looks at global plans to monitor the deep sea.

CERN particle smashing; secrets of toughest bacterium; lab pork; how to live longer.

The scientific impact of 'Climategate'; deep Ocean survey; drilling earthquake zones.

Quentin Cooper reports on new climate change research ahead of the Copenhagen summit.

Quentin Cooper presents a special edition from Cardiff University.

DNA nano-machines; the demise of the Nazca; SMOS satellite.

Quentin Cooper explores mundane science fiction, where imagination meets reality.

NASA's new Ares 1 rocket; Ardi the human ancestor.

Arctic ice loss; an inflating universe; conserving the world's plants at Kew Seed Bank.

Quentin Cooper and guests assess the latest batch of Nobel Science Prizes.

The earthquakes in southeast Asia; China's greenhouse gases; green but mean; spintronics.

New hopes of an effective AIDS vaccine; the wet summer of 2009; a new carbon-fibre violin.

World Ozone Day, 20 years on; Feed the World.

Quentin Cooper hears what became of the Large Hadron Collider.

Rail upgrades, econophysics, flu at school and milk genes.

Solar storms, catastrophe financing, the disappearing honey bees and Taser guns.

The fastest man alive, algae blooms, naming stars and moving stem cells with magnets.

The greatest fossil field yet found, the archaeology of hurricanes and Saturn edge-on.

Psychopathy under the microscope; mice without mothers; drones at war.

The genetics of cystic fibrosis, 20 years on.

Apollo 11's long-surviving scientific legacy and the first man to map the moon.

New strategy for climate and energy; Down's syndrome; moon dust; solar eclipse.

Quentin Cooper hears about the birth of an ocean off the Horn of Africa.

Quentin Cooper reports from the Royal Society's Summer Science Exhibition 2009.

Quentin Cooper champions chimp culture, measures dinosaurs and dissects elections.

Quentin Cooper checks out microbes, maths behind football's calendar and Leominster's air.

Low-energy housing, cancer DNA, Swine Flu, plus stories of impending planetary collision.

Quentin Cooper reports from the Cheltenham Science Festival.

North Korea's nuclear ambitions, the causes of the 1930s 'Dustbowl', and tool-using rooks.

Quentin Cooper looks at the maths of scrappage and the science of the missing link.

Quentin Cooper reports on the final Hubble Space Telescope servicing mission.

Quentin Cooper looks at the 'Two Cultures' divide in goverment.

Science behind the potential flu epidemic emanating from the Mexican 'swine' flu outbreak.

How machines are learning to recognise and express emotions.

Quentin Cooper samples the delights of the Edinburgh International Science Festival.

Forty years after the first British Concorde flight what happened to the supersonic dream?

Quentin Cooper talks to Explorer Pen Hadow from his arctic ice expedition.

Quentin Cooper puts listeners' science questions to a panel of experts.

Quentin Cooper hears about problems in the supply of medical isotopes.

Quentin Cooper hears about the DNA reading machine, the ribosome.

Quentin Cooper hears about the latest remarkable example of natural selection.

Quentin Cooper tells the story of biochemist Emil Abderhalden.

Quentin Cooper investigates the cultural and genetic evolution of language.

Quentin Cooper finds out if humans can sense pheromones.

Quentin Cooper hears about ambitious balloon flights carrying a special telescope.

Quentin Cooper presents the science magazine.

Quentin Cooper reveals how domesticated crops spread through Europe.

Quentin Cooper investigates plans to redefine the standard measure of a kilogram.