8 January: A pair of unusual meteorites, gravity's role in star formation, what happens when you 'over-squeeze' photons, and our predictions for science in 2009.
18 December: Sleepy songbirds, sun damage, mega-masers, Nature's Newsmaker of the Year, and our seasonal gift suggestions: what to get the scientist who has everything.
11 December: Cognitive enhancing drugs, stormy weather on an extrasolar planet, ocean cleaning bacteria, science and the food crisis, and our weekly news round-up.
4 December: Cancer stem cells and tumour development, predicting the size of tsunamis, spotting a supernova from 1572, the future of farming, and our weekly news chat.
20 November: The woolly mammoth genome decoded, a 'proto-eye' of the kind predicted by Darwin, the controversial theory of group selection, and a tantalizing trace of dark matter.
13 November: Learning who to trust, how cooling bird brains slows down song, controlling quantum dots for computing, how entrepreneurs think, and a round-up of science news.
6 November: Individual genomes and personal genomics, lemmings threatened by climate change, how to find dark matter, and a news round-up with news editor Mark Peplow.
Podcast Extra: We talk to the author of a new book that traces the 2000 year history of the world's first computer, from ancient Greece, via the bottom of the sea, to 3D X-ray analysis in the pages of Nature.
23 October: Feathered dinosaurs, X-ray producing sticky tape, the many faces of autism and oxygen-producing bacteria that aren't quite as ancient as we thought.
16 October: A self-assembling computer, restoring movement to paralysed arms, science meetings that changed the world and inside the head of a not-so-fishy fossil.
9 October: A spot of 'star archaeology', two new malaria parasite genomes, the latest round of Nobel Prizes and back to school - we find out how physics lessons have changed.
2 October: Fishy evolution in Lake Victoria, a tiny device for sensing magnetic fields, how some old wax-encased tissue samples hint at the life-story of HIV and the microscopic world of RNA.
US election: Presidential candidates John McCain and Barack Obama speak for themselves on the big science issues including space, stem cells and green energy.
25 September: The evolutionary move from fins to fingers, a rare and rather flashy dead star and how gut bacteria help stop the development of type 1 diabetes.
18 September: Portable plants in climate research, big questions for evolutionary biologists, the evolution of teeth, the origins of the mouth and anus and innovation and technology in the US election.
The LHC switches on: The Large Hadron Collider is finally ready to go. Geoff Brumfiel talks to CERN theorist John Ellis about his hopes for the project - and what happens if there are no Higgs bosons.