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joining us are their royal highnesses, the crown princess victoria of sweden and prince daniel. your royal highness, you want to say a few words of welcome and to tell us a little bit about where exactly we are in your palace? well, thank you. so nobel laureates, ladies and gentlemen, viewers, i'd like to wish you a warm welcome to the royal palace here in stockholm and to the bernadotte library. this library holds over 100,000 books that used to belong to the kings and queens of the house of bernadotte. this is a very special library in that sense. but we're not here to read. we're ...

of sweden and prince daniel, as well as students from here in sweden. welcome to nobel minds and the second of our two programmes. laureates, this is the first time that some of you have been brought together in discussion on television. congratulations to you all. thank you. applause. first, let's look at the chemistry prize with its scientific breakthroughs that have myriad uses that will benefit humankind. let's have a short video looking at what the prize for chemistry was made for. it's very strange. the nano world is really, really bizarre. when matter is reduced to its smalles...

the nano world is really, really bizarre. when matter is reduced to its smallest dimensions, it's made up of quantum dots — nanoparticles so tiny that their size determines their properties. alexey ekimov, moungi bawendi and louis brus discovered and developed this artificially created collection of semiconducting nanoparticles. they are just a few millionths of a millimetre wide and glow blue, red or green when exposed to light. quantum dots already have commercial and scientific uses and, infuture, could contribute to flexible electronics, thinner solar cells and encrypted quantu...

very impressive and says russia's operations over the winter largely failed. the us general petraeus commanded forces in iraq and afghanistan. he spoke to our diplomatic correspondent james landale. i believe we will see the results of true combined—arms effect, so tanks protected by infantry against anti—tank guided missiles, artillery keeping heads down, engineers reducing the obstacles, breaching the fortifications that the russians have established, air defence keeping the russians off the ukrainians, electronic warfare jamming the russians�* already inadequate command and ...

>> gillian: first possible relief over the debt threat. the house is going to vote tonight imminently on the debt extension deal to avoid a historic default on federal obligations. a lot of staunch conservatives are against this agreement which means democrats will definitely be needed to get the measure across the finish line. senior congressional correspondent chad pergram is on capitol hill tonight. hi, chad. >> good evening, gillian. the vote comes some time after 8:00 tonight. expect broad bipartisan support. lots of democrats will vote yes. albeit with reluctance. >> when trump...