." ♪ john fitch: hello, i am john fitch, m.i.t.ence reporter, feeding to you from the moon, or -- speaking to you from the moon. or a reasonable facsimile thereof. it is actually a lunar landscape mockup of the lunar excursion module from the houston command center, where the national aeronautics and space administration are testing and evaluating the performance of the apollo spacesuit. actually, encapsulating a man into a suit that protects him from his environment at the same time gives him adequate life support is no very novel idea. deep-sea divers have depended on such a solution in their defense into hostile depths for decades. as it applied to going up and instead of going down, bioengineering got a much later start. it wasn't until world war ii nudgingirplanes began up to 30,000 feet, that man was coaching beyond his natural reach. breathing oxygen systems had to be devised. many years later, men flying high-speed military planes at ever higher altitudes required anti-force and decompression systems. today, we move into th

. ♪ john: hello, i am jon fitch, m.i.t. science reporter.e are at the national aeronautics and space administration where they are researching the care and feeding of astronauts. i'd no means a simple proposition. functions must be kept within critical tolerance. oxygenronaut must have to breathe that young there must be systems capable of removing monoxide.bon there must be adequate water. the astronaut must have food. this is the most challenging problems since the amount he needs depends upon what he must do. he will have no stove, refrigerator, garbage disposal. a limited amount of space. of space feeding were imagined by jules vern more than a century ago when he wrote and enter naming -- and enter story- and entertaining about going to the moon. maybe because he was appreciative of the good life, he did not overlook the providing his space travelers with a menu. more elaborate than we are able to provide. soup, things to look a vacation in precious cakes of bully on created with prime argentinian beef. rest,ssed by hydraulic tender and

i am john fitch, m.i.t.cience reporter. ♪ [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] [captions copyright national cable satellite corp. 2016] >> i am a history buff. i enjoy seeing the fabric of our country and how things, just how they work and how they are made. >> presidency, american artifacts. >> history is something i really enjoy. >> american history tv gives you that perspective. >> on the c-span family. >> american history tv, history of as her jeffrey johnson talks about the rise and decline of socialism's popularity in america. c-span tv interviewed him at the annual meeting of the american association of historians in providence, rhode island. this is about 12 minutes. host: your study of socialism focuses on the late 19th-century-early 20th century. in that period, define socialism for us. dr. johnson: there were a lot of socialists talking about a socialism broadly. they were wrestling with, how to we

fitch is the latest rating industry to warn about the consequences of great britain leaving the eu. what does it mean for your investments? peter cheer, the managing director of green capital and johnonski. good to see you, guys. do you think the uk is going into recession in. >> they say elevated risk of recession in the u.k. we'll have to see. a great jump on uncertainty, companies are going to hold back on capital spending, postpone hiring decisions, it could lead to a slump. trish: what's it mean for us? >> i don't think it means all that much for us. we're getting lower interest rates out of this, which may -- trish: in other words, janet yellen can't move? >> exactly. but the fed can't move. one of the adverse implication says the poor small saver continues to get 0% interest on their accounts. believe it or not, the first five months of this year, personal savings up 14% annually. much faster than consumer spending. trish: you think we're in a slow growth scenario but not going to take a real hit from the uk? >> we for a slow growth scenario. business activity is relatively flat. you don't want to have more uncertainty. this may push some businesses in the united states dela

john said, interest rates are not going up anytime soon. global economy is not going to accelerate. financials, you shouldn't be looking for spots to get overweight or catch a falling knife. david: fitch is right with you. they downgraded the bank of england, the central bank of england. times will be tough. times are really going to get rough. fasten your seatbelts. melissa? melissa: flip side of that equation is u.s. airline stocks hitting new lows as investors worry about how the uk decision will impact transatlantic travel. scott martin, explain this to me. are people going to be flying a whole bunch less now? i don't get the logic necessarily? >> that is the beauty of the market, melissa. you get these areas that seemingly were distracted or disconnected rather from this big move in britain and then it is going to affect everything. in general there there will be e sort of malaise that will wash over the eu. that may extrapolate people wouldn't travel as much or spend as much money. leisure exposure, in europe will especially bounce back especially if the euro is weak. melissa: john, let me throw stats to you. 16.2% of american's capacity touches you can, 5.3% for united, 2.7% de