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Play now 18 mins

12/05/2011

Duration:
18 minutes
First broadcast:
Thursday 12 May 2011

GM Insects
For the first time ever, genetically modified insects have been released into the wild to target a human disease. In Brazil, scientists are releasing mosquitoes which have had their genes altered to prevent their offspring from developing and being able to bite people, and spread the disease & Dengue fever.

Neanderthal dates
New dating techniques have been applied to Neanderthal bones from a cave in the Caucasus Mountains. The bones are 10,000 years older than was previously thought. If this is found to be the case in many more sites in Eurasia, the idea that our ancient cousins interacted and even interbred with our ancient ancestors would be very unlikely.

Io – Jupiter's turbulent moon
Reanalysis of the data collected by NASA's Galileo orbits around Jupiter's moon Io have shown that the turbulent moon is likely to have an ocean of liquid magma under its surface. This could explain why it is the most volatile moon in our Solar System.

Meteor Impact in the end Triassic
Scientists studying the layers of rock on the Somerset coast in the UK are looking at the evidence of a massive meteor impact which occurred 200 million years ago. Could this impact have changed the Earth's climate, making it possible for the rise of the dinosaurs?

  • Coming up on Discovery

    Monday 16 May 2011: Smallpox
    As the World Health Organisation's annual assembly takes place in Geneva, Jon Stewart asks if they should take the decision finally to destroy remaining stocks of smallpox virus that have been held in the USA and Russia since the eradication of the disease was announced in 1980.


    Monday 23 May 2011: GM insects
    For the first time ever, genetically modified insects have been released into the wild to target a human disease. In Brazil, scientists are releasing mosquitoes which have had their genes altered to prevent their offspring from developing and being able to bite people, and spread the disease & Dengue fever.

    Discovery

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