this blood bank is in copenhagen, denmark.according to the world health organization, of all the countries that report blood donations, denmark has the highest rate in europe. >> i think it has to do with culture and tradition. young people are grown up and told about the meaning of giving blood. probably they have parents who are blood donors. we can see that. >> with all that blood, denmark has spent years perfecting their system. it's complicated, to say the least. the journey of blood starts with the vein of a donor into a bag. that's handed off to a courier, who delivers it to the hospital's blood bank. here, the blood is tested for diseases like hiv and hepatitis. it's also processed to a centrefuge. >> we only need one component for one patient. a whole blood unit could support the patient. three patients, one plasma, one platelet, and one red blood cell. it's important to separate these components, because the red cells are going into a fridge. the plasma is going into a freezer. and the platelets are kept at room temp

. >> there are models in copenhagen denmark, universal health care that works for them.n: let's show how hollywood imagines the robot dominating future. in this movie will smith argues about the value of people. >> robot write a symphony or turn the campus into a beautiful masterpiece? john: this tv series imagines a future where robots are popular. >> they are capable of bonding empathetically with their clients and respond accordingly. and it's a significant achievement. see one that is fiction. but the issue of reason points out that he is dolls are popular and real and this stuff is coming. >> yes, people should be prepared, some will think that it's creepy and that is their right, but i don't think that it is and i don't think that people's personal perceptions of it the opinion that it's creepy should guide how we fit this role and in some cases people interact with pets, computers, i have a relationship with my phone, i yell at it sometimes and makes me happy in other cases and this is something that people will like, something we should celebrate and not worry ab

a recent study in denmark at university of copenhagen says not hours but just minutes at the gym canto real results. how does it work exactly? it is more than just a minute-long workout. >> 30 seconds of slow exercise low intensity followed by 20 second of moderate intensity followed by 10 seconds of super high intensity. that's one minute. then meetly repeat that again. do it five time, to-minute break. five times again. so it is 12 minutes of working out. >> shouldn't it be opposite 30, 20, 10. >> it sounds better. >> it sounds better. it is catchy. >> 3, 2, 1, everybody does done. >> harley pasterneck is a personal trainer and believes it can be effective for everyone. >> the study says for everybody. i would say be careful. any time you do something exhaustive or 100% intensity, there is always a risk. >> and if you're pregnant, like me, harley says a modified version -- >> you will jog. >> reporter: without sprinting, will be good. so my work out partner, sydney, and i give it a shot. attempting the recommended 12 minutes. >> coming up on 12 seconds. 10 seconds. close your eyes.

. >> reporter: a recent study in denmark at the university of copenhagen says not hours but just minutesork exactly? it's more than just a minute long workout. >> it's 30 seconds of slow exercise low intensitile toed by 20 seconds of moderate intensity followed by ten seconds of super high intensity, that's one minute and immediate repeat that 30-20-10. five times, two minute break. five times again, actually 12 minutes of working out. >> shouldn't it be the opposite, 30-20-10? >> it sounds better. >> it's catchy. >> it's catchy. >> three, two, everyone is done. >> reporter: harley pasternak is a celebrity trainer and author of the new weight loss book called "5 pounds." believes the workout can be effective for almost everyone. >> the study says this is for everybody. i would say be careful. any time you do something exhaustive, or 100% intensity, there's always a risk. >> reporter: if you're pregnant like me, harley says a modified version -- >> you're going to jog. >> reporter: is good. my workout partner sydney and i give it a shot attempted the recommended 12 minutes. >> coming up o

denmark this week for their annual conference. they get together to meet people. yesterday they visited eded copenhagen's little mermaid.gh downtown town. they call it the little mermaid. later this week the santas are going to tell stories to children and bake different treats. the world's santa claus congress has taken place since 1957. as you'd expect it is always held in the summer which as you know is santa's off-season. i think that's been there longer than the disney movie. >> the mermaid landmark? yeah. what do you think the all-white santa? i like it. very fashion forward. >> those are his helpers. >> it is the little mermaid. the little mermaid? ariel? >> maybe that's where it came from. not that little. >>> when we return a big week for investors as a wave of earnings are headed our way. we've already heard from verizon this morning. we have an early earnings scorecard next. and then tomorrow the government's existing home sales data. we get an early read on real estate data and talk home trends with the property brothers. as we head to break, take a look at u.s. equity futures. more and more, data is visual.