Panspermia and the stratosphere by Ian Woolf James Nichols speaks with Ian Woolf about building BitCoin mining computers at Dorkbot, The hundred dollar 3D printer from Peachy Printers, James Hitchcock presents his 3 Minute Thesis: "Freshwater Inflows to Estuaries: Rivers, carbon and Coastal Food Webs" Produced and presented by Ian Woolf