1/3 Following the Earth's orbit from July to the December solstice. (R)
The Mother of all slingshots propels India’s orbiter to Mars
BBC World Service
Professor Dave Cliff tells the story of the quest for certainty and sound reasoning. (R)
Hear one farmer's solution to dealing with hundreds of thousands of pink-footed geese.
BBC Radio 4
7/20 Flamingos move around, displaying their long necks - this is their courtship ritual. (R)
Chris Packham presents the blackbird.
How mammals developed from tiny forest dwellers to the dominant life form on the planet. (R)
Laurie hears about an egalitarian enclave in Andalucia. Also, the meaning of tooth loss.
Prof Andrea Sella looks at efforts to reduce our dependence on the Haber-Bosch process.
5/7 The story of the few extreme survivors who remain in the polar regions during winter. (R)
Documentary on Comet ISON, which was hoped to be the most spectacular comet in many years. (R)
BBC Two Northern Ireland only
Thursday 5 December 2013