The world’s oldest surviving first-generation computer – and only the fourth ever built – was CSIRAC, and it was Australian. And it has been restored to its former glory. Produced, directed and written by Wilson da Silva. Broadcast on 28 October 1999 on Quantum, ABC TV.

Surprising links have been found between bacteria and heart disease. If the evidence continues to mount, heart disease may one day be treated with antibiotics. Written, produced, directed by Wilson da Silva. Broadcast in 1 April 1999 on Quantum, ABC TV.

The age of the male pill is coming: a drug company has committed the US$400million it will cost to make it a reality. But why has it taken so long? Produced by Madeleine O'Dea, written and presented by Wilson da Silva. First broadcast on Quantum, ABCTV, 3 September 1998.

Global fisheries are in collapse. Even the Patagonian toothfish, still a mystery to science, is already headed for extinction, its tale a microcosm of the problem. Researched, written and presented by Wilson da Silva, produced by Andrew Holland. Broadcast on Quantum, ABC TV 20 May 1999.

Archaeologists are using technology to find and catalogue a treasure trove of 55,000 Aboriginal stone tools in the outback, none of which need to be taken away. Written and presented by Wilson da Silva, produced by Richard Corfield, researched by joy Mitchell. Broadcast on 27 August 1998 on Quantum, ABC TV (Australia).

Why are frogs dying around the world? The cause may be a flesh-eating fungus, never before seen by science, which has been identified. Discovered by Australian researchers, it has now been found in North and South America and also linked to the collapse of frog populations there. Written, produced, directed by Wilson da Silva. Broadcast on 21 October 1999 on Quantum, ABC TV.

When cryptosporidium and giardia were detected in the water supply, Sydney was gripped by panic and millions boiled their water. But was it largely hysteria? Researched, written produced and presented by Wilson da Silva. Broadcast on quantum, ABC TV on 29 October 1998.

Australian astronomers in Tasmania are using gravitational microlensing to hunt for hunt for Earth-like planets outside our our Solar System. With the hours are long, the work is fiddly, and success is only ever one Paczynski curve away. Written and presented by Wilson da Silva, produced by Andrew Holland and Wilson da Silva. Broadcast on 22 April 1999 on Quantum, ABC TV.

Australians have proposed an elegant solution to one of the most perplexing problems in physics: why the Sun emits only half as many neutrinos as it should. Researched, written, produced and presented by Wilson da Silva. Broadcast first broadcast on Quantum, ABCTV, on 27 April 2000.

A mysterious peak in lead levels found in Greenland ice core samples dating back 2,600 years has been traced to the ancient Roman smelters in Spain. Written and presented by Wilson da Silva, produced by Madeleine O'Dea. Broadcast in 8 October 1998 on Quantum, ABC TV.