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as you can see we've had another week away but I'm still gonna give you a good

episode the science with Steph this week, and be sure to stay tuned to the end

because I think I've worked out something pretty spectacular!

have you ever been watching a movie when

just how much hair does Rapunzel have how heavy is it?

would all that weight pull her hair out of her head? and anyway what even is hair

and why does grow really long on my head and really short on my arms

welcome to Scienc with Steph the show where I think way too much about the world

around us, and then share the best bits with you guys

this week I'm looking at human hair what is it why does it grow and in the movie

Tangled how heavy is all that hair? well first let's look at the human body we

grow hair almost all of our entire bodies and the type of hair and where is

on your body can determine how long it is to have fast it grows. Avery hair any

one time can be going through one of three phases of growth: that's the anagen

phase the castagenn phase and a telogen phase the first phase is the anagen

phase where there's rapid cell division at the base of the follicles producing

lots of keritinocytes. This bulb grows and grows and gets squeezed out the

follicle where the cells die and produce keratin which is a strong prottein, and this

strong strand of keratin pokes out of your skin and continues to grow

throughout the whole anagen phase. This growth phase can last various different

lengths of time depending where it is on your face or body. The anagen phase for

your hair in your head typically lasts three to six years alowing

for a maximum growth length of around one or two meters. Though in Rapunzel's case

she clearly has some super producing anagen that just never stops! for normal

non magical princesses usually about 70 to 80 percent of any of your hair at any

one time can be going through the anagen phase the second phase is the catagen

phase where the blood stops flowing to the follicle and cuts off the bulb from

the rest of the hair that follicle shrinks and eventually pushes that

existing hair up to the surface of the skin and the third phase which is the

telogen or resting phase typically lasts one to four months the follicle at this

point is dormant and at the end of the day the follicle expands and the hair is

released called shedding and after the follicle widens again we're back to the

anagen phase so now that we know all this I'm gonna ask the important

questions how long is Rapunzel's hair and how

heavy is it?

so from all the information I've gathered Rapunzel's hair seems to change

length quite a lot in the film The Longest it appears to be about 21 or 22

meters using a hair of mass of about 300 grams per meters gives a total weight of

about 7 kilograms that's about the way of having two laptops hanging from your

head the world record for weight ever left of my hair is 81.5 kilograms

that's 179 pounds for you Imperials over this was done by a Russian man named

Abdul Rahman Abdul Aziz off Abdullah's it off Abdul Aziz off I can't I can't

pronounce that that's heavier than me and I'm pretty heavy so Rapunzel's hair

while it's heavy is well within the region of cariable, and I think I've

worked out where her powers lie clearly her cells just rapidly dividing

meaning that her hair grows much faster than the average person it means that

her magic keeps people looking young because their cells are rapidly dividing

and it can heal people using the power - there you go

Sciences magic hope you enjoyed this episode of scientist s I bring a new

videos every Friday so if many people asked to do you can click here or if you

consider subscribing click here till next time bye

For more infomation >> How long is Rapunzel's hair? - Duration: 4:39.

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How Long is one Term? - Duration: 15:54.

Well, hello there everyone

Yeah, you know talk about right here for like you how long is one term and in case of a new bike?

Well, you say you have right here

Is this a my brave America your shirt right here, but that you see

you know talk about

For your presidents like if it's gonna be you for Bill Clinton right here and you know for former President Bill Clinton

and

So let's just say that if this was supposed to be like maybe kind of like like a show-and-tell

Your source of speech so far as you know

How long is one term equal to and usually up to four years and then sometimes that there are some

Which called terms of use to where that that anything?

Related to a job or any source of up. You know whenever you start working on something and then it usually goes by terms and

Terms of conditions in terms of you see with that source of stuff, but but still though that them do we rather?

Use the word by saying, you know term rather than three or four years

so in case of if

if anybody like say that you love you whenever you start working on something and then that they go by so you sheets between

you know if it's going to go, you know by a

semester or that if it's by yeah by period I'm like

Yeah by the fifth period or something like that

So sometimes then when I redid the calculations that a lob is not really they don't really go by oh

You know three months ninety days

three, you know four years five years somewhat dead and

So that's just a thigh know that whenever back up when I was young

I come here whenever President Clinton was that you was president that bike remember right that

That I can remember that one on to that to worthy

Yo but the you know the president by how long he's been

your president and then I'm you from the first term that whenever he first ran for office and

And I were just like thinking to that you a lot of times when we think about speak up terms over, you know

if it's terms and conditions or is some idea for how we pronounce term if it's gonna be about a

Presence II so we'll just say that

about the condition about the presidency but um

Let's just say this to where that your long times whenever you're going to be

Starting something and maybe if it's gonna be measured by a term

So let us say on average, you know, three and a half years

So that means is that two were that you're any of the work that?

somebody like the president is gonna be doing and then if it's gonna be which

Which coworking about your father's or so a week or something like that?

You know out of a month that they put in so many hours

Of you don't even work in overtime or something like that. So in case stuff anybody say, yeah, you'll usually the president though

between the being in the Oval Office and anywhere else in the White House and you know

I could say that

you know shouldn't be that hard just to get their work back in the case of anybody say most of us would be like

that to where that

The first thing they'll work on maybe think is to wear that you when we get cut off in traffic about how long that takes

for you to drive to work compared to you that if you're gonna have

one side of the house that's going to be what you call the work site and then the other side there's gonna be your your

Home side to one side of the house is where that you're gonna go in do anything

What you call you at your own time?

You know if it's gonna be personal or if it's a call me anything else?

Related to and you know spend time with the family and friends, you know that sorts of stuff

but then the other side of the house will be about doing work for the

Republicans and enough and the Democrats, you know, that sources that source of work

but but talk about your per measurement that for terms though, and I know that

Back those couple years ago did this was before I was even old enough to vote

but you know still though I could remember that to where that you hear about that a lot of times on the

radios and then plus

Back out when there I was in the fifth grade to do was a lot of you know

I don't know if he call it my

Protest but there was a lot of the election stuff that was going on at the schools and most the time on Tuesdays

That that's why they closed the schools you'll for the day

Yeah, whenever the election stuff was going on

But I've ever seen a lot of those polls up there to school and I can just remember that. I think it was

back and

Yeah back in 1994 1995 something like that

Yeah

I think before I might about the Romney elections whenever Clinton was president that there was a lot of I say that it was polling

low-cut, but still

Usually in the schools that they were, you know

They were located either in the library or in the hallways there or in a Janae's iam somewhere like that

That they would have you know

These the polling places will be held at certain schools and certain areas are you know around the counties and cities?

But still that are on election time and I can remember that

That they that one that one day that whenever I was in school. I can remember seeing some of that and

So I was really too young really to understand about what it was all about

But my teacher basically said it, you know, that's what's going on

Well, but still I pretty much have a basic understanding of what it's all about now

but no the teacher was kind of like yeah that

When I was going to school, you know

There was like at school that was going on on a Monday or something like that whenever they were getting all the protesting ready

for the elections

but but still though that they're not time I can just remember that that

Certain areas of the school that I they cannot go up through with and then like I say that yeah picture day. I'm like

Especially winning round picture day that uh that you'll usually that you would know where a lot of the places

Locations of library would look like for a picture day, but like, you know for like the elections and all that

but I could remember asking the teacher about that and she said that that's something that what they're doing with their boating and I'm like

Yeah, I I thought that that was pretty neat to you to be able to speak up whenever you go vote

you will be able to speak up for who do you think that should be our our

President and that you do you think that they should be elect, you know reelected enough, you know

if it's a proposition a or b or something my dad you're so far as to talking about the

Voting uh you for speaking people for the right to vote snow. But uh,

But still though that them, you know

How many of us may want to that and there was which : number for you are the fourth?

Basic rights. Yeah. Okay say that, you know, yeah

that

Would may be number four are the basic right with me is just where the we could all be granted one tax break

you know per year be granted one tax break the big this break, you know of the whole year and

but still that that you can't say say yeah, we all pay taxes everyone we all pay taxes, but

but still though that if there's gonna be what's called a three basic rights in and that goes by to you know,

four basic rights, but

It's a ROI

It's always been like that since 1998 something my dad that it's been like that to where there's always been three basic rights

but you know, you're three, you know three basic rights in case anyway say if there's a number for

Those that but you know for three basic rights

But but AOA

But you know talking about that terms. Oh that with a term

Measured by it at the least three years

but with the presence these easy about at the four years and

So whenever we start working on something

You're likely thinking too that you know one your avatar

That you know whenever you start working on something that that you know, you might think this to word it, you know

Yeah

Whenever you start working on a job

You think that maybe that the job is only going to be going on maybe for 51 weeks?

and and how many of us will roll like one or two where that whenever you start working the job or start working something and

then uh

the first thing that you're going maybe here is that

it's gonna be going on for 51 weeks and at 51 weeks about how long is that if I've done the calculations I

got your 51 weeks and then that sounds

like seven six and a half months something like that, but

You know 51 weeks and but still though that if we were to do two calculations

here and in case we're like learn too that a lot of times that you know

Really? Are we always looking forward to?

you know the amount of time and what all that needs to be done and they're not you know for what how and how it

Needs to be done, you know that source of stuff, but but talk about for like a presidency though

We all know that being a president is a big job

and and I know that that you know speaking of four brave America you that was like a I

Got your own cartoon. You say I'm like, yeah like that something I came up

but when talk about where to where you're brave enough to speak up you -

Due to the content knowing about yeah for anything that you wanted to talk about

mentioned during the speech but you're brave America, but

But I am I know that

most of time with most of my activities talked about for Presidents Day if it's gonna be Jimmy Carter or if it's gonna be Ronald

Reagan and if it's gonna be your George HW Bush that you have these presidents these former presidents

Who are your president and I sometimes one or two that that one or two of them?

The only you would wrongly run up her for one term

So no just for one term that they were only in office and I'll just second to that

That you know with some of these presents I think Richard Nixon about you so some of them

Oh my dear, you know I say if I go some of these presidents who were president your during it

You're the fool you're to terms and in a besides if it was Theodore Roosevelt and but still you have these

Presidents you have these histories of these presidents

That sometimes you're like we want to about how long this one term and know about why they were president

but how well that they yet you serve the country like a and

You're so far sir their presidency, but still though that them

that I know if we were to do to history about the presence though that quaff you from war before even my time and

saw you're likely thinking to that that you know anything that they're talking about, you know so far as history goes that

You're likely wired to that. Uh, you know, yeah, you know it really would I even understand it, you know, it was before my time

but but with Bill Clinton know that I know where President Clinton that

yeah, I can I

remember that I I remember that that

During the State of the Union, you know, he made everybody go to school on a Saturday

You know, I remember that

I I was not really appreciated in case of anybody were to ask is that I can remember that

you know a bilk wouldn't want to act like a big shot during his speech and then he you know, he was like

You know at all school kids

One day to go to school on a Saturday and I wanted all parents know

So yeah, if I convert right whenever he made that speech

I remember that you know one day I that weekend I think was back in 1994

that that March of 1994 he made all school kids go to school on a Saturday and I'm like

You know, I remember that, you know

but still though

You know for anybody who maybe weren't aware the reasons to why?

Presidents say something or decide that this is what the rule is gonna be him

To wear that you can't have your snack until after seven o'clock or something like that

But you're still or you can't have your snack past nine o'clock

But I tell you what, they know that

Whenever President Clinton was four whenever he wasn't, you know our president I can remember that

uh did some things on, you know that he was talking about but whenever he came up on TV

But I was also one or two that you know

a lot of things that they're talking about on TV as well about politics and um

one of those is also going to be about you that tax money and all that but

creighton jobs in order but you know infant structure and

rebuilding your roads and all that but you create new businesses, but

But I tell you one thing though you'll for a tax

but it's also but I tell you one thing though that that

you know studying about the term so that

because a lot of times it you like say you read about our

president and want to know about to quaff you when that ran for two terms and I

say about how long is one term equal to you about four years and

so whenever you start working on something and

Kept thinking to that

Okay

you know, are you really looking forward to that because you know whenever you start working on something and then a lot of times that

for the work in progress

you know for the work in progress because whenever you first open up a business that maybe not everything is gonna be easy and

You're likely wanted to that that you know, what does the presence even President Trump?

You know, what? Does he have to say to a lot of those students out there?

Like I say that you think that knew something's a lot harder than what you thought was. What's the best advice for that? Mr

President mr. President, you know I say, yeah you think that though

Did you have everything under control but didn't write and you don't but you're still that

That you know whenever you start working on something. Are you avoid second about to you about the term?

So I'm like you're during the first term that this is what you'll have to do

So there's like a little chart or something like that though. You'll be

Directed to the information about what you'll be in charge of and what you would have to do you while you're on a job

but still though that uh

Really, you know things that maybe you just not quite used to but I'm sure we all have our exclamations about you know

How we want to handle situations that go on to where that okay?

You start working on something and enough and then it details or you

Listed in like details are provided and you're likely thinking to that. Ok. Can I handle this?

but but anyway, we talked about President Clinton right here and

Understanding about that terms and

What exactly are terms necessarily they are basically?

Times two whenever that whenever you start working on something in and uh, they're measure buyers toward it

Yeah, that one term or so is up to three years and three years to a lot of us

seem like you know, oh, you know, I don't know if I'll be able to handle that but uh

Still though that them

One year to lava seems like a long time to so I guess it's a baby

But I say that to you try not to let that

Get in your way all the time to worry

You know one year don't seem like you know whole luckily because it seemed like like yeah like you're under pressure whenever you start working

on something in one year

It seems like you're a bear a long time means this to where they sound like very much fun. Not much vacation or eat

I'm dead

But but anyway, yeah, but we know that at some point our hard work is going to pay off or you know by

Gradually, you'll graduates going to start paying off

but anyway, I've saved you for the best of my now I do you top off you for president click right here and

above you

Presidents like knowing about will be calling you for a big job, but you know anyway

But you know, other than that, you'll talk about understanding about your hollom is one term