Search Results: "Slate"

All Most Recent Most Viewed

05:05 Popular
Sesame Street: Making Fruit Sushi with Jenny Slate | Cookie Monster's Foodie Truck

906 views / 0 likes - added 5 years ago

Earth's Best is proud to sponsor a special celebrity edition of Cookie Monster's Foodie Truck! Jenny Slate is joining Cookie Monster and Chef Gonger to make a creative healthy snack! Tune in to see how they make sushi out of fruit! Sponsored by Earth's Be
12:12 Popular
Introduction to Astronomy: Crash Course Astronomy #1

720 views / 3 likes - added 9 years ago

Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?" -- Table of Contents: What is Astronomy? 3:00 Who Studie
07:03
Magic of Making - A Right Royal Roof

426 views / 0 likes - added 4 years ago

Kings and Queens prefer to rule from a nice, dry palace. To keep the rain out of Buckingham Palace the British Monarch ordered a slate roof hewn from the heart of a great mountain by helmeted miners, with the help of diamonds and high explosives. This is
04:28 Popular
History of the Holidays: Columbus Day | History

786 views / 0 likes - added 6 years ago

How Columbus Day came to be celebrated. HISTORY®, now reaching more than 98 million homes, is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manne
09:29
Cycles in the Sky: Crash Course Astronomy #3

627 views / 0 likes - added 9 years ago

This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of
09:25
Why the US national anthem is terrible — and perfect

436 views / 0 likes - added 5 years ago

Vox's Estelle Caswell and Joss Fong debate "The Star Spangled Banner" Subscribe to our channel! http://goo.gl/0bsAjO When Francis Scott Key attached his poem about the War of 1812 to a popular British song called "To Anacreon in Heaven," he kicked off ove
10:35 Popular
Where Do Deleted Files Go?

741 views / 0 likes - added 9 years ago

Follow Michael Stevens for neat things every day! http://www.Twitter.com/tweetsauce LINKS AND SOURCES BELOW MUSIC BY: http://www.YouTube.com/JakeChudnow final song is "Midnight Sound" by Gareth Johnson / David O'Brien from: http://www.audionetwork.com Los
04:56
The secret chord that makes Christmas music sound so Christmassy

626 views / 0 likes - added 7 years ago

Hint: Mariah Carey's "All I Want for Christmas is You" uses it. For more about the secret chord, read more from Adam Ragusea here: http://www.slate.com/articles/arts/music_box/2014/12/mariah_carey_s_all_i_want_for_christmas_is_you_a_musicological_explanat
Featured
10:14 Popular
The Earth: Crash Course Astronomy #11

883 views / 0 likes - added 9 years ago

Phil starts the planet-by-planet tour of the solar system right here at home, Earth. -- Table of Contents Earth is a Planet 0:03 Layers of Earth 1:25 The Magnetic Field 5:10 Atmosphere and the Human Influence 6:14 -- PBS Digital Studios: http://youtube.co
02:02 Popular
The Sun Is A Magnet!

737 views / 0 likes - added 9 years ago

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Sunspots, solar flares, coronal mass ejections, OH MY! Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ F
10:17 Popular
Introduction to the Solar System: Crash Course Astronomy #9

981 views / 1 likes - added 9 years ago

In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today. This episode is sponsored by Squaresp
03:13 Popular
Hitting The Sun Is HARD

710 views / 0 likes - added 7 years ago

Listen to "The Paradox of Choice" for free at http://www.Audible.com/minutephysics This video is about the orbital mechanics of why it’s so hard to crash into the sun – the energy it takes to get there is astoundingly high, compared with leaving the solar
Featured
02:30
A Polarizing Discovery About The Big Bang!

579 views / 0 likes - added 9 years ago

Get a free audiobook at http://www.audible.com/minutephysics and Thanks to the following Subbable.com supporters: Owain Blackwood @vicnice137 www.lightbow.net More about the Big Bang: https://www.youtube.com/watch?v=q3MWRvLndzs More about the Cosmic Backg
11:22
Meteors: Crash Course Astronomy #23

640 views / 2 likes - added 8 years ago

Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower. Meteors burn up abo
02:25 Popular
5 Awesome Dog Facts -- Thought Glass #4

969 views / 1 likes - added 8 years ago

Twitter: http://www.twitter.com/VsauceTwo *** CLICK "SHOW MORE" FOR SOURCES AND LINKS *** Poodle Haircut http://slate.me/1id19Rp Dog Sweat http://bit.ly/1pDUFZ9 Dog Barking http://bit.ly/1iLuo8D http://wrd.cm/1id1d3r How Dogs Know What You're Feeling http
Featured
04:46 Popular
Why Do We Laugh?

795 views / 0 likes - added 5 years ago

Knock knock! Who’s there? It’s jessi and Squeaks exploring the science Of why we laugh! ---------- Love SciShow Kids and want to help support it? Become a patron on Patreon: https://www.patreon.com/scishowkids ---------- Looking for SciShow elsewhere on t
Featured
47:52 Popular
How Not To Be Wrong: The Power Of Mathematical Thinking

874 views / 0 likes - added 8 years ago

The maths we learn in school can seem like a dull set of rules, laid down by the ancients and not to be questioned. Jordan Ellenberg shows how wrong this view is through stories that show the power of mathematical thinking. Subscribe for regular science v
05:33 Popular
What is 6÷2(1+2) = ? The Correct Answer Explained

876 views / 0 likes - added 7 years ago

What is 6÷2(1+2) = ? This problem went viral and generated millions of comments on Facebook, Twitter, YouTube and social media sites. I explain how to get the correct answer by using the modern interpretation of the order of operations. I also explain how
Featured
05:41
Why Is Kubrick's "2001: A Space Odyssey" Significant? | History

465 views / 0 likes - added 6 years ago

Take a journey through the history of science fiction and examine the cultural influences such as the Vietnam War, the Civil Rights Movement, and space exploration, that influenced Stanley Kubrick's 1968 visionary film "2001: A Space Odyssey". Subscribe f
05:56
How will the Universe end? with Katie Mack

144 views / 0 likes - added 1 year ago

From the big crunch or big rip to vacuum decay, Katie Mack explains the different ways in which physicists believe our universe might end.Subscribe for regular science videos: http://bit.ly/RiSubscRibeKatie Mack is a theoretical astrophysicist and one of
43:32
Sesame Street: Elmo's Mindfulness Spectacular!

175 views / 0 likes - added 11 months ago

Its The Big YouTube Talent Show on Sesame Street, hosted by Juanpa Zurita! Everyones getting ready to show off their talents, but Elmo is feeling a little nervous. When Elmo asks to use Abbys magic to help calm him down, her magical wand breaks into piece
05:27
President Biden & Jay Leno Drive Electrified 1978 Ford F100 | CNBC Prime

137 views / 0 likes - added 1 year ago

President Joe Biden returns to Jay Leno’s Garage to discuss the future of electric vehicles in America while behind the wheel of an electrified 1978 Ford F100. Watch the full episode on Wednesday, October 26 at 10pm ET on CNBC. » Subscribe to
03:32
Jupiter’s Iconic Red Spot is Shrinking, What Could Happen Next?

569 views / 1 likes - added 6 years ago

Over the past couple decades, Jupiter's Great Red Spot has gotten visibly smaller. Scientists are watching closely as the iconic anticyclone changes the face of our solar system's largest planet. Watch more Space Crafts here! | https://bit.ly/2GWm5x9 Read
02:56 Popular
Paper Towel Vs Hand Dryers

738 views / 0 likes - added 8 years ago

Which is more hygienic - paper towel or hand dryers? SUBSCRIBE! It's free: http://bit.ly/10kWnZ7 Get Your Free Audiobook: http://bit.ly/XIcZpz --- Links to follow us below --- Instagram and Twitter: @whalewatchmeplz and @mitchellmoffit Clickable: http://b
Featured
03:00
What Can You Learn From Ancient Poop?

351 views / 0 likes - added 3 years ago

Fossilized poop, called coprolites, can reveal surprising secrets about the past.Subscribe! http://bit.ly/1FkxVLb Twitter! https://twitter.com/gross_science Tumblr! http://grossscience.tumblr.com/Want more info?More on Coprolite preservation and analysis:
10:03 Popular
The Gravity of the Situation: Crash Course Astronomy #7

761 views / 0 likes - added 9 years ago

In today's episode, Phil looks at how gravity plays out across the universe. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse -- Gravity is a Force 2:17 Different Types of Orbit 3:41 Escape Velocity 5:30 Weightless Mass 7:0
11:21
Distances: Crash Course Astronomy #25

647 views / 2 likes - added 8 years ago

How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the distance to and th
55:29
How code has changed the world - with Torie Bosch

95 views / 0 likes - added 11 months ago

Why does computer code have such a huge impact on our lives? From the Y2K bug to the history of pop-up ads, discover how code has changed the world.Buy the book here: https://geni.us/X2ENWatch the Q&A here: https://youtu.be/jTvcnGzPj8YEverything from law
04:10 Popular
Birds that Talk!

750 views / 4 likes - added 5 years ago

Birds can communicate with each other in lots of ways, but some types of birds can learn human words! But just because they learn human words, does that mean that they can understand them? ---------- Love SciShow Kids and want to help support it? Become a
03:09
Why Sewers Around the World Keep Overflowing

222 views / 0 likes - added 3 years ago

Find out more about our sewers from the In Deep podcast at https://www.indeep.org.The old combined sewer systems of many major cities are no match for modern storms and impermeable surfaces.Thanks also to our Patreon patrons https://www.patreon.com/Minute
10:32
7 Things We Don't Know About The Ocean

697 views / 2 likes - added 8 years ago

The ocean covers 70% of the planet, but humans still don’t know very much about it. In this episode, Hank discusses seven mysterious ocean topics. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/sc
02:42
Why Does Spicy Food Burn When You Poop?

666 views / 0 likes - added 7 years ago

Sometimes your body won't let you forget that spicy burrito you had yesterday! Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon sup
04:54
Lead: The Original Artificial Sweetener

550 views / 0 likes - added 8 years ago

Lead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justi
03:24
Snow White’s Voice in The Fairly Odd Parents?! | WHAT THEY GOT RIGHT

434 views / 1 likes - added 5 years ago

The Fairly OddParents went through some magical transformations before becoming the show we've loved for years! On WHAT THEY GOT RIGHT, Ruby tells us how they casted the perfect spell to create this show! Follow Ruby Jay on instagram @iamrubyjay! On WHAT
11:33 Popular
Asteroids: Crash Course Astronomy #20

721 views / 1 likes - added 8 years ago

Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter,
03:32
Which Emotions Didn’t Make Inside Out?! | WHAT THEY GOT RIGHT

499 views / 0 likes - added 5 years ago

Talk about an emotional outburst! We all know the core emotions, but there are tons that didn't make the cut! On WHAT THEY GOT RIGHT, Ruby talks about the wishes that were granted in order to create this awesome show! Follow Ruby Jay on instagram @iamruby
06:59
How Milk Becomes Cheese

563 views / 2 likes - added 5 years ago

Ever wonder how milk becomes cheese? We asked about the science and the microbes that go into this tasty food. This week on Reactions, we visit St. James Cheese Company in New Orleans to learn all about the chemistry of your favorite dairy product. Subscr
02:06
What Causes Growing Pains?

665 views / 1 likes - added 8 years ago

Growing Pains are real, but no one seems to know why exactly kids get them. Learn what we do know here on SciShow Quick Question! Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow Dooblydoo thanks go to the following Patreon
Featured
05:23
Why Cheddar is Orange When Milk is White

527 views / 0 likes - added 7 years ago

→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7hzC0Rr3RDS6q Never run out of things to say at the wate
04:36
Why are Continental Breakfasts Called That?

621 views / 0 likes - added 6 years ago

If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling packa
05:04 Popular
Are Any Foods Natural Anymore? GMOs Explained

844 views / 1 likes - added 7 years ago

You've decided to only eat natural and organic foods from now on, but what does that actually mean? Check out the science behind GMOs. Why Does Everyone Taste Food Differently? ►►►► http://bit.ly/1VZGkKT Sign Up For The Seeker Newsletter Here ►►►► http://
Featured
03:59 Popular
How A Bee Becomes Queen

967 views / 2 likes - added 8 years ago

Royal jelly! For bees, it’s what makes all the difference between a queen and a worker. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lent
Featured
04:30
Are We The Only Species That Votes?

546 views / 0 likes - added 7 years ago

Our Seeker Daily team will be covering the RNC and the DNC! Stay up-to-date by heading over to http://www.youtube.com/seekerdaily! Democracy has given members of a community a voice in decision making. Is this strictly a 'human thing' or do other animals
05:14
Why Does Humidity Feel Gross?

443 views / 0 likes - added 5 years ago

Relative humidity, dew point, heat index... trying to figure out what to wear from all these buzzy weather words is enough to make you sweat! But fear not, today we're giving you a break down on how to use the local weather report to your advantage, and h
05:51
Can you solve the death race riddle? - Alex Gendler

507 views / 1 likes - added 4 years ago

Practice more problem-solving at https://brilliant.org/TedEd/ --The night before the Death Race across the Wastelands is set to begin, your uncle, the great inventor Slate Kanoli, got kidnapped by the ruthless No-Side gang. The only way to get him back is
03:41
Will The Periodic Table Ever Be Complete?

666 views / 0 likes - added 7 years ago

Recently, humanity filled the periodic table up to atomic number 118, which nicely rounds out that row. But are we done yet? Have we discovered all of the different elements? And what is an "island of stability?" Learn about the 4 Newest Elements: https:/
03:56 Popular
Could the Millennium Falcon Actually Go Faster Than the Speed of Light?

737 views / 0 likes - added 5 years ago

Go follow and learn to love Bad Science: ...on iTunes/Apple Podcasts: https://itunes.apple.com/us/podcast/bad-science/id1376384137 ...on Megaphone: https://cms.megaphone.fm/channel/bad-science?selected=JSH2795606856 ...or on Spotify: https://open.spotify.
Featured
09:44
What Is The Resolution Of The Eye?

100 views / 0 likes - added 6 months ago

Follow me: http://www.twitter.com/tweetsauceSOURCES BELOW:Hanu Dixit music: https://www.youtube.com/user/HanuDixit0003Vsauce video about the FRAME RATE of the eye: https://www.youtube.com/watch?v=buSaywCF6E8music from http://www.youtube.com/jakechudnowand
11:35
DISTORTIONS

119 views / 0 likes - added 6 months ago

YouTube FanFest with HP in Mumbai: http://www.youtubefanfest.com/india/Follow Michael Stevens: https://twitter.com/tweetsauce SOURCES BELOWGuy (editor/production): https://twitter.com/guylarmusic from: http://www.youtube.com/JakeChudnow and http://www.aud
07:43 Popular
What Are Those ‘Talking’ Apes Really Saying? | NPR's SKUNK BEAR

856 views / 3 likes - added 5 years ago

What can we learn from the controversial history of ape language research? ↓↓ Links & Info ↓↓ SUBMIT A QUESTION HERE: http://www.npr.org/skunkbear SUBSCRIBE: http://bit.ly/2dH6fpR TUMBLR: http://skunkbear.tumblr.com/ TWITTER: https://twitter.com/NPRskunkb
Featured
04:55 Popular
5 Giant Ice Age Animals | Natural History for Kids

1,288 views / 2 likes - added 5 years ago

12,000 years ago, the earth was very different, and so were some of the animals living on it! Here are 5 giants creatures you might have seen back then. ---------- Love SciShow Kids and want to help support it? Become a patron on Patreon: https://www.patr
03:59
What If You Fell From Space to Earth?

439 views / 0 likes - added 5 years ago

If you fell from space, what would happen to your body? The first 200 people to sign up get 20% off Brilliant: https://brilliant.org/lifenoggin/ Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthinking.co Suppo
05:19
Cyclopia: A Rare Birth Defect That Could Help Cure Cancer

617 views / 0 likes - added 6 years ago

With a greater understanding of biological mechanisms, humans may be able to take a devastating birth defect and turn it into a treatment for cancer. We're conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymo
03:20
What If Everyone Went To Sleep At The Same Time? - Dear Blocko #14

628 views / 5 likes - added 5 years ago

It's Dear Blocko #14 - Sleeping edition. Watch more: ►► https://www.youtube.com/watch?v=rNZH8bEoy7g Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthinking.co Follow me on Instagram & Twitter! Instagram: https
04:46 Popular
How Many Heartbeats Do We Get?

1,411 views / 0 likes - added 9 years ago

Science really gets my heart going… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart
Featured
03:29
Who Owns Your DNA? (YOU DON’T)

423 views / 0 likes - added 5 years ago

Your DNA defines you, but do you REALLY own it? Watch more: Is It Possible To Stay Young Forever? ►► https://www.youtube.com/watch?v=hjWf0w-awh0&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO&index=130&t=0s Subscribe: https://bit.ly/SubLifeNoggin | Get your excl
02:50 Popular
How Do Car Horns Work?

1,553 views / 0 likes - added 8 years ago

The next time you honk your car horn at that jerk who cut you off, you’ll understand how it uses physics to get the job done. Learn more at HowStuffWorks.com Share on Facebook: https://goo.gl/ICxuu4 Share on Twitter: https://goo.gl/m6dpEV Subscribe: http:
06:29
Scientists Can Now Prove That Climate Change Is Causing Natural Disasters

309 views / 2 likes - added 3 years ago

Across the world, climate events are getting more extreme. And while theres little doubt that climate change is to blame, proving that fault for specific weather events hasnt really been possible until now. Subscribe to Seeker! http://bit.ly/subscribeseek
21:37
How Earth Moves

635 views / 0 likes - added 7 years ago

It’s here! Science stuff, mind-blowing stuff, Vsauce stuff, oh my!! THE CURIOSITY BOX: https://www.thecuriositybox.com/ Jake’s video about The Curiosity Box: https://www.youtube.com/watch?v=p91-GhjgeEU Minute Physics on why December days are the longest:
03:42
Should You Wipe Off Your Sweat?

40 views / 0 likes - added 2 months ago

Want to donate to the highest-impact charities AND get your donation matched up to $100? Visit https://Givewell.org/MinutePhysicsIf youre in scorching heat, or when your body is working hard and youve got hot, hot sweat all over, sticky and stifling - doe
03:32 Popular
What Would Space Do To The Human Body?

970 views / 1 likes - added 8 years ago

Space without a suit? You’ll probably die from the lack of pressure in a vacuum. But other extreme hazards won’t help either. Learn more at HowStuffWorks.com: http://science.howstuffworks.com/question540.htm Share on Facebook: https://goo.gl/CeaQIU Share
Featured
03:46 Popular
Can You Reach The End Of A Rainbow?

1,238 views / 1 likes - added 8 years ago

The end of the rainbow may be the best place to raid a leprechaun stash, but it proves a strangely difficult destination to reach. Brainstuff explains why you can’t get there, and why there really isn’t even a a “there” there. Learn more at HowStuffWorks.
02:54 Popular
Why Do People In Old Movies Talk Weird?

877 views / 0 likes - added 8 years ago

It’s not quite British, and it’s not quite American – so what gives? Why do all those actors of yesteryear have such a distinct and strange accent? Learn more at HowStuffWorks.com: http://entertainment.howstuffworks.com/movies-film-chann
03:39 Popular
Do Animals Laugh?

980 views / 2 likes - added 8 years ago

It’s no secret that some animal species are highly intelligent – but do they also “get” jokes? Can they laugh? Are laughter and intelligence even related? Learn more at HowStuffWorks.com: http://animals.howstuffworks.com/animal-facts/do-animals-laugh.htm
Featured
03:44 Popular
Why Do Movie Theaters Sell Popcorn?

935 views / 0 likes - added 7 years ago

For millions of moviegoers, the idea of visiting the local theater automatically conjures memories of popcorn. But this wasn’t always the case – so why, out of all snacks, did popcorn become the #1 snack for film? Learn more at HowStuffWorks.com: http://r
02:50 Popular
What Nuclear Bombs Taught Us About Whales

795 views / 0 likes - added 6 years ago

A monitoring system developed to listen for secret nuclear tests mostly hears other events happening all around Earth. Thanks to CTBTO for sponsoring this video: https://www.ctbto.org/ Thanks also to our supporters on https://www.patreon.com/MinuteEarth V
12:16 Popular
Saturn: Crash Course Astronomy #18

1,041 views / 6 likes - added 8 years ago

Saturn is the crown jewel of the solar system, beautiful and fascinating. It is a gas giant, and has a broad set of rings made of ice particles. Moons create gaps in the rings via their gravity. Saturn has dozens of moons, including Titan, which is as big
03:23 Popular
Do Juice Cleanses Actually Work?

1,064 views / 1 likes - added 8 years ago

Juice cleanses are all the rage. But do they actually provide any health benefits? Cristen explains. Learn more at HowStuffWorks.com: http://health.howstuffworks.com/wellness/diet-fitness/diets/what-s-the-big-deal-about-juice-cleanses-.htm Share on Facebo
03:47 Popular
What Is The Most Dangerous Sport In The World?

732 views / 3 likes - added 6 years ago

Sports can be deadly - what is the most dangerous sport?! Subscribe, it's free! http://bit.ly/asapsci Created by: Mitchell Moffit and Gregory Brown Written by: Tharsan Kana, Rachel Salt, Mitch Moffit & Greg Brown Illustrated by: Max Simmons Edited by: Sel
04:05 Popular
What Is 'Ranch' Flavor?

948 views / 0 likes - added 8 years ago

A plumber in Alaska invented a bizarre condiment that launched a multimillion dollar industry, and today ranch is the most popular salad dressing in the US. But what exactly is this stuff? Learn more at HowStuffWorks.com: http://recipes.howstuffworks.com/
Featured

>> View Slate web videos