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Why are trees and other plants green? Seems like a simple question. But the answer is full of surprises. Using a special camera that can pick up light just beyond the visible range, into the near-infrared, you’ll get to see trees like you’ve never seen them before. And these other-worldly images can teach us not only why trees are green on Earth, but what color photosynthetic life on other planets might be.
#TeamTrees

References: https://sites.google.com/view/....treesonotherplanets-

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Why is some science fiction so good at predicting actual science?

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Do Ray Bradbury, Arthur C. Clarke, Jules Verne, Philip K. Dick, Hugo Gernsback, Robert Heinlein, or Isaac Asimov hold a candle to H.G. Wells when it comes to correctly predicting the future of science via science fiction?

And why does some science fiction do such a good job of predicting the future in the first place?

Check out these other great H.G. Wells-inspired videos from our PBS friends:

PBS Idea Channel: "What Is Fiction?"

PBS Digital Studios/James W. Griffiths: "A Solitary World" http://www.youtube.com/watch?v=yWJKLYcypz8

Fun links to dig deeper:

Arthur C. Clarke's 1945 article "Extra Terrestrial Relays" http://lakdiva.org/clarke/1945ww/
Isaac Asimov's 1964 World's Fair predictions: http://www.nytimes.com/books/9....7/03/23/lifetimes/as
Mouse memory "implantation": http://wapo.st/Md1gN3
Ray Bradbury hanging with Arthur C. Clarke and Carl Sagan: http://www.youtube.com/watch?v=hyst-D-1ssk
Isaac Asimov talks to Bill Moyers Part 1: http://www.youtube.com/watch?v=1CwUuU6C4pk
Isaac Asimov talks to Bill Moyers Part 2: http://www.youtube.com/watch?v=CJAIERgWhZQ

Music:
"Ourobouros" by Kevin MacLeod
"Opening Theme A" by Kevin MacLeod

Joe Hanson - Host and writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer
Katie Graham - Director of Photography
Andrew Matthews - Editor and motion graphics
John Knudsen - Gaffer
Isaac Hammons - Sound

Produced for PBS Digital Studios
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What you need to know about one of nature's scariest viruses.

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Read David Quammen's "Ebola": http://amzn.to/1wBLmzw

Ebola infection/death simulation from Washington Post: http://bit.ly/ebola_sim

Read the original 1976 case report describing the first Ebola patient: http://1.usa.gov/1svWp7i

Ebola outbreak disease info and case counts: http://www.cdc.gov/vhf/ebola/o....utbreaks/2014-west-a

Ebola Deeply (a calm take on Ebola news): http://www.eboladeeply.org/

How contagious is Ebola? http://www.npr.org/blogs/healt....h/2014/10/02/3529837

Ebola outbreak and symptoms FAQ from WHO: http://bit.ly/1td3TBn

Can Ebola go airborne? No. http://www.virology.ws/2014/09..../18/what-we-are-not-

Ebola: What we should and shouldn't be worried about http://www.wired.com/2014/10/e....bola-virus-infection

Hi-tech Ebola treatments: http://arstechnica.com/science..../2014/08/bio-high-te

The political effects of Ebola in West Africa: http://www.nytimes.com/2014/10..../14/world/africa/ebo

Maps of infectious disease vs. public health spending: http://ted.tumblr.com/post/996....54182795/heres-what-

Produced for PBS Digital Studios

Joe Hanson - Host and writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer
Katie Graham - Director of Photography
Graham Hutchins - Editing/Motion Graphics
John Knudsen - Gaffer

Theme music:
"Ouroboros" by Kevin MacLeod

Stock images via Shutterstock

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Nothing is guaranteed in life except death, taxes, and entropy. What do other life forms have to teach us about staying alive as we get old, and will we ever conquer death?

REFERENCES:

Arias, E. et al. (2013). United States life tables eliminating certain causes of death, 1999–2001. National Vital Statistics Reports 61(9)

De Cecco, M. et al. (2013). Transposable elements become active and mobile in the genomes of aging mammalian somatic tissues. Aging 5(12): 867–883. DOI: 10.18632/aging.100621

Hayflick, L. (2016). Unlike aging, longevity is sexually determined. In Handbook of theories of aging, 3rd ed. (pp. 31-52). New York, NY, Springer.

Hayflick, L. (UCSF School of Medicine). Interview.

Klapper, W. et al. (1998). Longevity of lobsters is linked to ubiquitous telomerase expression. FEBS Letters 439: 143-146

Martinez, D.E. (1998). Mortality patterns suggest lack of senescence in hydra. Experimental Gerontology 33(3): 217–225

Reilly, M.T. et al. (2013). The role of transposable elements in health and diseases of
the central nervous system. The Journal of Neuroscience 33(45): 17577–17586

Roth, A.W. and Polotsky, A.J. (2012). Can we live longer by eating less? A review of caloric restriction and longevity. Maturitas 71: 315–319

Sturm, A. et al. (2015). The mechanism of ageing: primary role of transposable elements in genome disintegration. Cell. Mol. Life Sci. 72:1839–1847

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Window chip in the ISS: http://www.esa.int/spaceinimag....es/Images/2016/05/Im
The extent of space debris: http://www.esa.int/spaceinvide....os/Videos/2013/04/Sp
Where did all that debris come from? http://blogs.scientificamerica....n.com/guest-blog/whe
USSTRATCOM space surveillance fact sheet: https://www.stratcom.mil/facts....heets/11/Space_Contr
This is cool: http://stuffin.space/
Every satellite orbiting Earth, visualized: http://qz.com/296941/interacti....ve-graphic-every-act
8 weird pieces of space junk: http://www.wired.com/2009/02/spacestuff/
Project West Ford: http://www.wired.com/2013/08/project-west-ford/

STK animation courtesy of Analytical Graphics, Inc.

Get yourself an awesome IOTBS shirt! http://dftba.com/besmart
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It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.
Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below!
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When it comes to science, is there a monster in us all?

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate

Are you watching "Frankenstein, MD"? Check it out: http://bit.ly/Y9HYz8

"Experiments on the Revival of Organisms" full video: http://www.youtube.com/watch?v=KDqh-r8TQgs

Murder Act and Anatomy Act: http://brainblogger.com/2011/0....9/17/human-dissectio

Percy Shelley's influence:
http://www.ncbi.nlm.nih.gov/pm....c/articles/PMC127968

Erasmus Darwin:
http://blogs.dickinson.edu/rom....nat/2011/06/10/erasm

Real-life influences for Mary Shelley's "Frankenstein":
http://io9.com/5949176/real-li....fe-scientists-who-me
http://gizmodo.com/5504746/how....-a-real-life-dr-fran
http://mentalfloss.com/article..../19855/who-was-dr-fr
http://www.huffingtonpost.com/....roseanne-montillo/th

Joe Hanson - Host and writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer
Katie Graham - Director of Photography
Editing/Motion Graphics - Andrew Matthews
Gaffer - John Knudsen
Post-production intern - Dalton Allen

Theme music:
"Ouroboros" by Kevin MacLeod

Stock images via Shutterstock

Produced for PBS Digital Studios
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Cold War… warming planet?
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A few years after the collapse of the Soviet Union, a top-secret, first-of-its-kind US spy satellite program was declassified, leading to the unexpected story of how former enemies became scientific allies, and technology invented for Cold War espionage was repurposed to study and combat the newest and greatest threat to human civilization: Climate Change.

Thank you to the following for help in researching this video:
Michael McElroy
D. James Baker
The Office of Vice President Al Gore

0:00 Peeking behind the Iron Curtain
1:52 Spies in space
2:53 A time machine… but for Earth
3:41 Early days of the Space Race
5:37 Code name: CORONA
8:37 No more Iron Curtain… now what?
10:48 Spies… but for the Earth
13:20 New data & unlikely allies
16:31 Teamwork makes the dream work
17:46 Support us on Patreon!

Note: The thumbnail for this episode includes a picture of Joe Hanson created with a text-to-image generative AI tool

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Crowther, T. W., et al. "Mapping tree density at a global scale." Nature 525.7568 (2015): 201-205.
http://www.nature.com/nature/journal/...

Learn more about forest habitats: http://www.worldwildlife.org/habitats...

And let’s hear it for John Denver… https://www.youtube.com/watch?v=YBEkj...


Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below!
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#fractions #teaching #math
I use this song to help introduce and reinforce the concept of fractions to my 2nd, 3rd, and 4th graders.

LYRICS:

My doggy Fraction, she likes parts,
She likes them when they’re equal,
F – R – A – C – T - I - O - N,
She cut my stuff in equal parts,
Then did it all again! Oh No!

Mom got us a new dog,
Who liked equal parts,
Quarters, halves, thirds,
Our dog had math smarts!
And what did we name her?
Well we named our dog fraction,
And we couldn’t be blamed, it was just a reaction!
Fraction caused trouble, for my momma and me,
Making parts out of things,
Everything she could see,
She cut up or stuff into equal sized pieces,
She cut up our skateboards, she cut up our fleeces!
We told her to stop!
We told her to cease!
She said, “I like everything to be in more than one piece!”

My new bed was great,
It was red, green, and blue,
Fraction cut it in half, with a saw, into 2!
“Fraction!” I screamed, “what did you just do!”
She said, “One part for me, and there’s one part for you!”
I said, “I can’t use a half-bed, there’s no place to sleep,”
Doggy fraction got sad, and she started to weep!
I told her to stop it,
Stop cutting our stuff!
I don’t like these pieces!
Enough is enough!
Fraction stop now,
Don’t consider a sequel,
She looked up and said,
I love parts that are equal!

My new book was cool,
With great pictures and words,
But she cut it in pieces,
3 pieces make thirds!
“Fraction,” I screamed, “I can’t read this book now.”
She said, “Sure you can read it, I’ll demonstrate how!
One piece for me, and 2 pieces for you,
You hold them like this, we won’t need to use glue!”
I yelled, “This book is shot, it’s just junk for the birds!
I can’t read the book’s title, the end, or the words.”
My doggy just smiled,
I just love to make thirds!
And what she said next,
It just can’t be explained,
“I prefer things in parts,
Parts of wholes, is my game!”

SPOKEN PART:
You get fractions when you divide things into equal parts, like my Dog Fraction used to do. r
For example, this bar has been divided into four equal parts, which are called quarters,
This bar has been divided into 3 equal parts, which are called thirds,
And this bar has been divided into 2 equal parts, which are called halves.

I was making some donuts, and a pink frosted cake,
For mom’s upcoming birthday, put the oven on bake,
When they were done cooking, I left them to cool,
Then went out to the school bus, to travel to school.
I returned to my home, that same afternoon,
And I found doggie fraction asleep in my room,
Beside her I saw all the things that I’d baked,
Cut into quarters, yes, my poor little cake!
Now what did you do, good grief, goodness sake!
Momma won’t eat these, and they were real hard to make!
And look at the donuts, it will break both our hearts,
They’ve been cut very nicely into 4 equal parts,
“Fractions are yummy,” she went on to repeat,
“Fractions are tasty, like quarters they’re sweet!
I like equal parts, you know they taste fine,
They’re deliciously tasty, all of the time!”

My mom ate the cake, and it warmed all our hearts,
She agreed things taste better when divided in parts.
Fraction just smiled, and so did we all,
And she went out to play with a bone, and a ball,
But when she returned, she’d continued her vices,
‘Cause we saw her dog bone was in six equal slices!
“Fraction,” we said, “can’t you leave some things whole?”
She shook her dog’s head, and said, “That’s not my goal!
Fractions are parts, and parts are so cool,
We use them in cooking, on clocks, and at school!
So never forget, I want no distractions,
Equal parts are so good, because they make up my fractions!”

🎵 STREAM THE MUSIC: https://thejunipervale.com/latest-release
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💌 Business Inquiries: mgmt@vohnicmusic.com

✏️READ THE LYRICS:
Wrapped myself up in all the tattered pages; a forlorn fable
Faded lines, my message in a bottle is shattering now
And sinking down
I'm growing to know time as it goes
Everything's changing

Break me with that truth take all my fractions
Shaping something new out of the fragments
Light up this old soul
I was broken now I'm golden
Now I'm golden
Oh Woah Oh Woah Oh Woah Oh Woah Oh
Ooo Woah Oh Woah Oh Woah Oh

Grasping out
Tell me that you hope to hear
The words resound
That growing to know
Time, as it goes, is life

Break me with that truth take all my fractions
Shaping something new out of the fragments
Light up this old soul
I was broken now I'm golden
Now I'm golden
Oh Woah Oh Woah Oh Woah Oh Woah Oh
Ooo Woah Oh Woah Oh Woah Oh

Open my eyes
This is life
Change comes with time
This is life

Break me with that truth
Break me with that truth

Break me with that truth take all my fractions
Shaping something new out of the fragments
Light up this old soul
I was broken now we're golden
Now we're golden
Oh Woah Oh Woah Oh Woah Oh Woah Oh
Ooo Woah Oh Woah Oh Woah Oh

Open my eyes, this is life (Now we're golden)
Change comes with time (Now we're golden)
I was broken now I'm golden
Now I'm golden

https://genius.com/Juniper-vale-fractions-lyrics

🐢 Juniper Vale is a project that combines Banjo EDM and comic book illustrations to explore the concept of home. :) Thanks so much for watching! Love you lots! Bye!

Music & Art© 2019 I the AI Records

Add Subtract Fractions Grade 8

YouTube video.

🟢Follow me on Instagram: https://www.instagram.com/kevinmathscience

In this video, I'll show you how to add fractions and mixed numbers with the same and different denominators.


#addingsimplefractionsandmixedfractions
#addingfractions
#filkoreantv #Math&EnglishTV


You can watch other videos by clicking the link below.


Divisibility rules for 2,5 and 10
https://youtu.be/VRrvDasqIEo

Divisibility rules for 3, 6 and 9
https://youtu.be/Cj4VLhZ7584

Divisibility rules for 4, 8, 11 and 12
https://youtu.be/JiDdtnQxI1U

Divisibility Rule for 7
https://youtu.be/wAreAjCSqow

How to Solve Equations Involving Different Operations
https://youtu.be/jxgPerdbMaM

How to Find the Greatest Common Factor
https://youtu.be/aJD6I71vJcU

HOW TO ADD DECIMAL NUMBERS
https://youtu.be/RGGi7VVRb6I

HOW TO DIVIDE FRACTIONS
https://youtu.be/xi9-42YB8KQ

HOW TO MULTIPLY MIXED NUMBERS
https://youtu.be/lL8Rqmwt0kg

HOW TO ROUND OFF DECIMAL NUMBERS
https://youtu.be/7N9t4Q9takw

HOW TO READ AND WRITE DECIMAL NUMBERS
https://youtu.be/sKFlbr4-Z4o

How to Identify the Place value of decimal numbers
https://youtu.be/Hk_9MEI6V9M

How to Multiply Fractions
https://youtu.be/XcBK4kz5V50

How to change improper fractions to mixed numbers and mixed numbers to improper fractions
https://youtu.be/YiVFKEBkit4


Thank you so much for watching. Please subscribe to our channel.
God bless!



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math 6 quarter 1 week 1
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In this video, we will learn the basics of fractions and the different types.
#Fractions #Basics #Kids

when you had combining or dividing fractions with integers there are two main takeaways that you need to know to apply the operations correctly

***Videos Picked To Watch Next***
⭐️ Fractions - Brian McLogan - https://www.youtube.com/playli....st?list=PL0G-Nd0V5ZM
⭐️Top 3 Fraction Operations, students make mistake on - https://youtu.be/nN7qv1kY80o
⭐️ How should you add mixed numbers? - https://youtu.be/ULP-RD3MQXk
⭐️ Learn how to add two mixed numbers with unlike denominators - https://youtu.be/oyaYO3UqqS8

***Playlists Picked To Watch Next***
✅ Need to Know Playlist - https://www.youtube.com/playli....st?list=PL0G-Nd0V5ZM
✅ Fractions - Brian McLogan - https://www.youtube.com/playli....st?list=PL0G-Nd0V5ZM
✅How to Multiply and Divide Fractions
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✅How to Multiply and Divide Fractions
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#fractionsdécimales #nombresdécimaux #nationapprenante #nationapprenante #éducation #écoleàlamaison #cm2 #écoleenligne #maths #mathématiques #maitrelucas #élémentaire #primaire #écoleprimaire #école #cm1 #cycle3

Les fractions décimales et les nombres décimaux décrivent de nouveaux nombres pour palier l'insuffisance des nombres entiers, notamment pour mesurer des longueurs. La règle graduée est une des premières rencontres des élèves avec les nombres à virgule. Cette vidéo à destination des élèves de cycle 3 (CM1, CM2, 6e) est une initiation aux fractions décimales et aux nombres décimaux. Une fraction décimale est un partage d'une unité en un nombre de parts égal à une puissance de 10 (10, 100, 1000, etc.). Un nombre décimal est un nombre qui peut s'écrire sous forme de fraction décimale. Ces notions sont complexes et nécessitent un travail long sur tout le cycle 3. Le visionnage de la vidéo n'est évidemment pas suffisant et ne constitue qu'un aperçu de ces chapitres.

Découvrez nos cahiers de soutien scolaire adaptés pour chaque année du CP au CM2 : https://maitrelucas.fr/livres/

Fiche d'exercices : https://maitrelucas.fr/fiche/n....ombres-decimaux-cm1-

Retrouvez toutes les vidéos de Maître Lucas en visitant son site : https://maitrelucas.fr/bibliotheque-video/
Ainsi que cette leçon : https://maitrelucas.fr/lecons/....fractions-decimales-

Mon conseil : Il n'est pas évident de se représenter les fractions décimales ni les nombres décimaux. Il faut alors partir de situations concrètes. Pour les fractions décimales, je conseille de partir de parts ou de bandes coupées afin de se rendre compte que ce sont uniquement des partages par 10, 100, 1000, etc. L'utilisation de la règle et des longueurs est également un moyen de manipuler les nombres décimaux avec des outils palpables avant d'entrer dans la conceptualisation.

Compétence :
- Produire et utiliser diverses représentations des fractions simples et des nombres décimaux.
- Utiliser et représenter les nombres décimaux.

Les chapitres de la vidéo :
00:00 C'est quoi les fractions décimales et nombres décimaux ?
01:03 C'est quoi une fraction décimale ?
02:28 C'est quoi les nombres décimaux ?
03:14 La partie décimale et partie entière
06:03 Exercices les fractions décimales et nombres décimaux
09:51 Résumé et fiches d'exercices

À qui s'adresse cette vidéo :
Niveau : CM1 - CM2 - 6e
Matière : maths CM1, maths CM2, maths 6e

Cours : maths, mathématiques, numération, nombres, calculs

maîtres Lucas est enseignant depuis de nombreuses années. Il a enseigné à tous les niveaux de l'école maternelle et élémentaire en Europe et aux États-Unis. Il a d'ailleurs obtenu un prix d'enseignement à New York. Aujourd'hui, il s'occupe de la formation des enseignants, mais est toujours disponible pour proposer de nouvelles vidéos à ses abonnés :-).

What is Fractions for kids
#maths

#fractions #math #teaching
A fun song to teach about numerators of fractions! Numerator Dog!
Purchase on iTunes: https://goo.gl/C0sMzp
LYRICS:
Numerator,
You’re on top,
You’re on top,
You’re on top,
Numerator,
You’re on top,
And you make fractions easy!

Mom got me a dog named numerator,
Not less than,
Equal, or any greater,
Than my dogs Addition,
Or Take Away,
But he likes the top,
That's what he'd say...

Chorus

One day I came home,
Where could he be?
Out for a run or a swim in the sea?
I checked in high places all through the whole day,
‘Cause he just liked the top,
At least that’s what he’d say,
I looked high and low,
From the roof to the shed,
I finally found him,
Asleep on my head!
I woke him by saying,
"This just has to stop!"
He gave me a lick,
And said, “I like the top!!!"

Chorus

SPOKEN PART:

Numerators are the top number in a fraction. They tell us how many parts of the fraction we have. The denominator, the bottom number of a fraction tells us how many parts there are in total. I like to think the letters that start the word numerator, NU, stand for never under, because numerators are always on top!

Chorus

Late last night,
I heard a loud woof,
Numerator, was dancing,
Way up on our roof!!
I was scared so stiff,
Horrified with horror,
If my little dog slipped,
He'd see no tomorra',
I Screamed, "Get down!"
But the dog didn't stop...
So I grabbed our tall ladder,
And I climbed to the top,
He was still dancing,
A-one, a two, a- three,
Asked me to join him,
Come dancing with me,
I yelled, “Stop now! That’s really unsafe!”
But he gave me a sad look,
Oh his puppy dog face,
So we danced like mad,
Numerator and me...
I really regret it,
It was too crazy!

Chorus

Fear was all gone,
We danced the whole roof,
You can check my phone’s camera,
The video’s proof...
After hours of tango, of salsa, and swing,
We fell to the ground,
With a great, big, big ding!!!
I looked at my dog,
"This just has to stop!"
But he gave me a lick,
"I like the top!!!"

Chorus

This is a step by step video tutorial on How to Subtract Fraction / Fraction Subtraction / Subtracting Fractions / Subtraction of Fractions

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Music video by Nicki Minaj performing Fractions (Audio). © 2021 Republic Records, a division of UMG Recordings, Inc.

http://vevo.ly/meItJ6

Fraction | SSC, CGL, CHSL, UP Police, Railways, Etc | All Competitive Exams | by Shivam sir
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This algebra video tutorial explains how to simplify rational expressions with variables, exponents & fractions by expanding, factoring and canceling.

Algebra Review: https://www.youtube.com/watch?v=i6sbjtJjJ-A

______________________________
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Rational Functions - More Lessons:
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