the experiments were done at los alamos and devoid around the world.you basically make an the chemicaletween and the bees. then you can trace that by tracing these flight patterns. you can actually see these moments here. you have a be generated map of the minefield. you can map the minefield of a particular area. here's the early experiment done on port. you put some cap chemical in here. tagged things are the bees. at laces thatoyed due to take chemical weapons. people govern straight up for three reasons. you cannot work at night. they did not fly under certain degrees. the spearmint's are frustrated with the way that bees would get distracted by other things. how do we control them a little better so they can do more with the research that we had. so that started to isolate bees as individuals. and byartment of defense .arbara -- darpa are trainedm cells with a chemical mixed with sugar water. every time you smell it and aart salivating, -- that is better picture there of that. they were put in cartridges. the cartridges a put into different boxes.

after a post at cal tech he joined los alamos in 1983. 1999 he became the national laboratory's acting director for strategic and supporting research and then in 2001 he moved to columbia university. he is the co-founder of the zero emission co-alliance, an industry group formed around an advanced coal fired power plant design that he co-invented. klaus was the lead author on the ipcc special report on carbon dioxide capture and storage and a member of the national science academy's committee on the future of coal. he holds numerous patents on air capture and energy technology and he will share that with us today. klaus? >> thank you very much for having me. it's a great honor to be here. and it's particularly nice to be able to speak a little longer than normally, and actually i hope i can explain things in the time allotted. i'm sure we will have time for questions at the end. but i would very much encourage you to interrupt me. i don't mind quite the contrary, i think, discussions get more lively if you have an issue and we can settle it right here and now. and i do realize that the

la ciudad del Álamo se convirtiÓ en el escenario del festival internacional del acordeÓn, por lo queocar el acordeÓn desde niÑas. >> yo empecÉ muy pequeÑa. en cuanto lo pude cargar, mi papÁ me lo amarraba porque era enorme. y empezÓ enseÑÁndome asÍ, las polkitas. >> fue patentado en viena en 1829 siendo la polka uno de los estilos mÁs reconocidos originÁndose en checoslovaquia. >> esta agrupaciÓn checa utilizan los acordeones de tecla, parecido al piano, lo mismo hace este grupo que llegÓ desde china para demostrar que el acordeÓn ha sido adoptado en su cultura. dice que hay muchos estudiantes como ella que les gusta aprender el acordeÓn para tocar principalmente estilos clÁsicos de la zona oeste. [♪ mÚsica ♪] seguimos visitando los diferentes escenarios. aquÍ tambiÉn me encontré con el folklore italiano que nos hizo bailar a todos con su ritmo tradicional. >> en italia, se le da mucha importancia al acordeÓn porque logra acompaÑar cualquier tipo de mÚsica. >> ¿y cÓmo no hablar del vallenato, con el sonido tan peculiar que le da el acordeÓn? [♪ mÚsica ♪] >> se adapta para diferentes