All videos

Date Title Duration Views Transcribed Play
2014-01-23 Why Do Flamingos Stand on One Leg? 02:10 335,951 Play
2014-01-31 Am I 1% Nacho? 03:07 668,156 Play
2014-02-07 Why Does Beer Make You Pee? 02:28 407,896 Play
2014-02-13 Do My Feet Smell Like Doritos? 02:44 329,538 Play
2014-02-22 Why does Saturn have rings? 02:33 414,190 Play
2014-02-26 Why Did People Love Flappy Bird? 03:21 945,837 Play
2014-03-04 Why Do Bug Bites Itch? 02:25 923,120 Play
2014-03-11 How Does Tape Work? 02:01 397,729 Play
2014-03-19 Why Do Roosters Crow? 01:55 243,113 Play
2014-03-25 Does Alcohol Really Keep You Warm? 02:00 253,325 Play
2014-04-01 Why does ice float? 02:47 365,080 Play
2014-04-08 Why Do Cats Knead? 02:33 1,364,110 Play
2014-04-15 Why Do We Yawn? 02:46 393,216 Play
2014-04-22 Why Does Swiss Cheese Have Holes? 02:10 266,318 Play
2014-04-29 Why Do Zebras Have Stripes? 01:53 339,189 Play
2014-05-06 Why Do Stars Twinkle? 02:33 432,715 Play
2014-05-14 How Do Rainbows Form? 02:45 579,255 Play
2014-05-20 Do Women Have Adam's Apples? 02:10 886,879 Play
2014-05-27 What are Blood Types? 03:05 1,612,550 Play
2014-06-02 Why do we have seasons? 02:29 504,167 Play
2014-06-10 Can Bright Light Make You Sneeze? 02:20 446,599 Play
2014-06-17 What Causes Auroras? 03:29 400,194 Play
2014-06-24 Why Do Joints Pop And Crack? 02:24 1,178,476 Play
2014-07-02 What Makes Your Ears Ring? 02:40 637,865 Play
2014-07-09 Why Do Apples Turn Brown? 02:32 475,291 Play
2014-07-15 Why Do We Blush? 02:19 417,124 Play
2014-07-23 Why Do Birds Have White And Dark Meat? (And Do We?) 02:48 560,902 Play
2014-07-31 How Do Polarized Sunglasses Work? 03:26 553,858 Play
2014-08-05 How Do Oysters Make Pearls? 02:29 1,825,055 Play
2014-08-12 How Many Colors Can We See? 02:35 490,597 Play
2014-08-19 Why Do Dogs Eat Grass? 02:16 730,821 Play
2014-08-26 Does Alcohol Kill Brain Cells? 02:07 744,730 Play
2014-09-02 Why (and How) Do Bees Make Honey? 02:43 595,907 Play
2014-09-10 Why Is My Poop Green? 02:49 1,573,275 Play
2014-09-16 Why Can't I Put Metal in the Microwave? 02:33 1,273,661 Play
2014-09-24 What Causes Brain Freeze? 02:48 537,917 Play
2014-09-30 Does My Voice Really Sound Like That? 02:24 1,185,355 Play
2014-10-07 Why Do Leaves Change Color and Fall? 02:12 249,903 Play
2014-11-04 What's in Those Packets That Say 'Do Not Eat'? (And Why Shouldn't I Eat It?) 02:02 672,516 Play
2014-11-11 Why Do Dogs Pant? 02:51 407,466 Play
2014-11-18 Why Do I Have to Brush My Teeth? 03:10 531,931 Play
2014-11-26 Why Isn't "Zero G" the Same as "Zero Gravity"? 02:13 365,819 Play
2014-12-01 Why Does Spicy Taste 'Hot' and Minty Taste 'Cool'? 02:43 598,768 Play
2014-12-09 What Is Night Blindness? 01:53 540,150 Play
2014-12-16 Why Does Rain Smell? 02:21 423,396 Play
2014-12-23 Why Do Atoms Bond? 02:24 468,169 Play
2014-12-31 Can Dogs See Color? 01:53 631,768 Play
2015-01-06 Why are we Ticklish? 02:27 842,776 Play
2015-01-13 When You Burn Fat, Where Does it Go? | The Science of Weight Loss 02:42 2,069,981 Play
2015-01-20 Why Can We See Our Breath In The Cold? 02:21 395,248 Play
2015-01-28 Why Do We Have Baby Teeth? 02:37 783,644 Play
2015-02-04 Why Are Eggs ... Egg-Shaped? 01:33 419,725 Play
2015-02-10 How Did a Magnet Just Break My Monitor? 01:59 543,096 Play
2015-02-18 Why Is My Tongue Stuck to This Flagpole? 02:47 332,455 Play
2015-02-23 Why Do Koalas Hug Trees? 02:24 369,582 Play
2015-03-04 Do Fish Drink Water? 02:26 1,501,303 Play
2015-03-10 Why Does Toothpaste Make Everything Taste Bad? 02:33 423,733 Play
2015-03-17 Why Are There Animals on My Face?! 02:56 402,610 Play
2015-03-24 How Do My Fingerprints Form? 03:04 500,488 Play
2015-03-31 Do Plants Get Cancer? 02:18 652,614 Play
2015-04-08 Why Is Fluoride Good for Teeth? 02:46 489,161 Play
2015-04-15 Why Am I Upside-Down When I Look in a Spoon? 02:41 402,876 Play
2015-04-21 Why Do I Have to Use a Number 2 Pencil? 02:36 1,346,135 Play
2015-04-28 Does Thinking Hard Burn More Calories? 02:28 458,675 Play
2015-05-05 Why Does Your Stomach Make Noises? The Science of Rumbles & Grumbles 01:50 1,260,633 Play
2015-05-12 Why Do We Wrinkle When Wet? 02:10 1,133,088 Play
2015-05-19 How Does Hair Know When to Stop Growing? 02:51 1,099,636 Play
2015-05-26 Why Do Things Look Darker When They're Wet? 02:04 499,298 Play
2015-06-02 Why You Can't Breathe Out of Your Nose When You're Sick 02:49 2,971,257 Play
2015-06-09 Why Do Things Fade in the Sun? 02:16 470,733 Play
2015-06-16 Why Does Cilantro Taste Like Soap? 02:53 764,745 Play
2015-06-23 Why Does Your Breath Stink in the Morning? 01:52 664,814 Play
2015-06-29 Why Do People Go Bald? 02:40 595,788 Play
2015-07-07 Why Does Pepper Make You Sneeze? 01:56 231,990 Play
2015-07-13 What Causes Sunburns? 02:34 533,132 Play
2015-07-21 Why Do Planes Fly So High? 02:23 770,744 Play
2015-07-23 Why Do Bruises Change Colors? 02:24 665,028 Play
2015-08-03 Can Pickles and Bananas Really Help Athletes? 02:48 295,547 Play
2015-08-11 What Happens to My Wool Sweater in the Washer? 02:28 316,235 Play
2015-08-18 What Happens When You Faint? 02:26 974,888 Play
2015-08-25 Are You a Supertaster? 02:46 655,073 Play
2015-09-02 Why Are Flamingos Pink? 02:12 365,985 Play
2015-09-08 Why Don’t Spiders Stick to Their Webs? 03:06 395,779 Play
2015-09-15 Why Do Boomerangs Come Back? 02:25 736,886 Play
2015-09-22 What Causes Pins and Needles? 02:26 1,181,695 Play
2015-09-29 Why Is There a Magnet Inside My Dog? 02:31 471,803 Play
2015-10-06 Could We Destroy the Earth? 02:43 593,993 Play
2015-10-13 Why Do Nuclear Bombs Make Mushroom Clouds? 02:44 610,286 Play
2015-10-20 Does Hot Water Freeze Faster Than Cold Water? 02:33 680,874 Play
2015-10-28 Do Animals Cry? 02:33 355,273 Play
2015-11-03 Why Don't Sleeping Bats Fall Down? 02:41 314,458 Play
2015-11-10 Why Can Blu-rays Hold More Than DVDs? 02:40 413,793 Play
2015-11-17 Why Do Animals Lick Their Wounds? 02:44 418,014 Play
2015-11-25 What Does Your Uvula Do? 02:46 1,740,810 Play
2015-12-01 Why Do We Have Blind Spots? 02:29 423,444 Play
2015-12-08 Why is Red Meat ... Red? 02:42 461,045 Play
2015-12-15 Why Do Our Noses Run in the Cold? 01:55 506,629 Play
2015-12-22 Why Is Heart Cancer So Rare? 02:25 1,296,535 Play
2015-12-29 What's Causing That Stitch in Your Side? 02:44 1,999,296 Play
2016-01-12 What Happens When You Hold Your Pee? 02:41 2,472,315 Play
2016-01-18 Why Does Alcohol Burn When You Drink It? 01:47 1,373,530 Play
2016-01-26 Why Shouldn't You Take Medicine with Grapefruit Juice? 02:13 662,787 Play
2016-02-02 What Are Muscle Knots? 02:25 1,062,628 Play
2016-02-09 Where Does Love Come From? 02:32 321,315 Play
2016-02-16 Why Do We Sneeze? 02:33 721,643 Play
2016-02-23 What Causes Growing Pains? 02:06 399,032 Play
2016-03-05 Should You Use Hydrogen Peroxide to Clean Wounds? 02:11 959,938 Play
2016-03-08 Are Sore Muscles Growing? 02:00 1,016,664 Play
2016-03-12 Why Does Plane Food Taste So Bad? 02:56 439,192 Play
2016-03-15 Why Can't You Remember Being a Baby? 02:43 631,079 Play
2016-03-19 Why Does My Face Turn Red When I'm Angry? 02:19 280,277 Play
2016-03-22 Why Do I Feel Lightheaded When I Stand Up? 02:23 777,024 Play
2016-03-26 What Are Eye Boogers? 02:24 1,006,163 Play
2016-03-29 Urinal Cakes: Why? 02:38 653,613 Play
2016-04-02 What are Scars? 03:08 469,989 Play
2016-04-05 Why Do We Get Freckles? 02:35 841,757 Play
2016-04-09 Are Those Really Blackheads? 02:41 1,581,922 Play
2016-04-12 Why Does Water Go Stale Overnight? 02:26 1,776,659 Play
2016-04-16 What is Restless Leg Syndrome? 02:25 1,473,424 Play
2016-04-19 What Makes Fresh Air Fresh? 02:18 396,757 Play
2016-04-23 Why Is Freezer Burn Ruining My Food? 01:47 463,433 Play
2016-04-26 Why Does Running Water Make You Want To Pee? 02:19 341,311 Play
2016-04-30 Do Negative-Calorie Foods Exist? 01:56 647,744 Play
2016-05-03 Why Do Birds Sing in the Morning? 02:10 390,587 Play
2016-05-07 Why Is My Body Temperature 37 Degrees? 02:25 887,397 Play
2016-05-10 Why Is My Whiteboard So Dirty? 03:04 376,660 Play
2016-05-14 Why Do Old Books Smell So Good? 02:22 456,714 Play
2016-05-17 Are Multivitamins Really Good For You? 02:57 702,160 Play
2016-05-21 Why Do We Jump in Our Sleep? 02:46 1,519,972 Play
2016-05-24 How Do Blacklights Make Things Glow? 02:50 535,255 Play
2016-05-28 Why Do Newborn Babies Get Jaundice? 02:24 380,347 Play
2016-05-31 Why Are There Bacteria In My Yogurt? 03:30 326,903 Play
2016-06-04 Why Can Mosquitoes Transmit Zika, But Not the Flu? 02:59 270,927 Play
2016-06-07 How Do Marine Mammals Hold Their Breath For So Long? 03:34 451,107 Play
2016-06-14 Why Do We Itch? 02:34 396,577 Play
2016-06-18 Is the Y Chromosome Disappearing? 02:56 745,608 Play
2016-06-21 How Do Noise-Canceling Headphones Work? 02:11 571,988 Play
2016-06-25 Why Does Garlic Ruin Dates? 02:42 417,603 Play
2016-06-28 Why Do We Stretch in the Morning? 02:35 663,847 Play
2016-07-02 Why Do Babies Smell So Good? 02:17 630,572 Play
2016-07-05 Why Do My Ears Pop? 02:25 494,059 Play
2016-07-09 Why Isn't a Kilogram a Kilogram? 02:53 376,435 Play
2016-07-12 Why Is The Sound Of Chewing So Awful? 02:31 305,140 Play
2016-07-16 Why Do Cats Like Catnip? 03:06 1,130,028 Play
2016-07-19 What Is Taurine and Why's It in My Energy Drink? 02:28 792,374 Play
2016-07-23 Why Don't Penguins' Feet Freeze? 02:40 418,190 Play
2016-07-26 How Do Toys Glow in the Dark? 02:37 329,645 Play
2016-07-30 Why are Insects Attracted to Light? 02:35 457,342 Play
2016-08-02 What's the Best Position for Pooping? 02:47 1,055,173 Play
2016-08-06 Are There Really Insects in Yogurt? 02:41 246,966 Play
2016-08-09 Why Do Ribbons Curl? 02:22 268,376 Play
2016-08-13 Does Radiation Make Air Travel Dangerous? 02:29 268,470 Play
2016-08-16 What's the Ultimate Campfire Fuel? 02:57 263,451 Play
2016-08-20 Why Do My Eyes Glow Red in Photos? 02:23 338,019 Play
2016-08-23 Why Do Women Live Longer Than Men? 02:47 466,493 Play
2016-08-27 What's the Best Way to Pour Beer? 02:39 285,724 Play
2016-08-30 Are Hand Dryers Sanitary? 03:05 469,476 Play
2016-09-03 What Makes Sourdough Bread Sour? 02:40 245,294 Play
2016-09-06 Why Does Virtual Reality Make Me Sick? 02:30 275,216 Play
2016-09-10 Does Beer Actually Help Breastfeeding? 03:08 217,864 Play
2016-09-13 How Can I Make A Traffic Light Turn Green? 02:48 1,044,204 Play
2016-09-17 Why Do I Get Dark Circles Under My Eyes? 02:26 801,270 Play
2016-09-20 Why Can the Same Drug Treat Heart Attacks and Anxiety? 03:32 310,699 Play
2016-09-24 Should You Store Eggs in the Fridge? 02:35 556,991 Play
2016-09-27 What Are Those Lines on My Nails? 02:34 2,027,112 Play
2016-10-01 How Do Concussions Cause Amnesia? 02:41 227,285 Play
2016-10-04 Are Plastic Dinosaurs Made from Real Dinosaurs?! 02:45 238,879 Play
2016-10-08 How Do Desensitizing Toothpastes Work? 02:52 214,132 Play
2016-10-11 Does Air on Planes Make You Sick? 02:27 206,838 Play
2016-10-15 Does Music Really Make Babies Smarter? 03:16 238,274 Play
2016-10-18 Why Do Cats Love Boxes? 02:15 599,285 Play
2016-10-22 What Makes Fresh Cut Grass Smell? 02:11 227,979 Play
2016-10-25 Why Does Glitter Stick to Everything? 02:12 330,599 Play
2016-10-29 Do Dead Batteries Really Bounce? 02:57 428,366 Play
2016-11-01 Am I Really A Visual Learner? 02:38 286,529 Play
2016-11-05 Why Are Paper Cuts So Painful? 02:14 404,104 Play
2016-11-08 How Do Insects Survive the Winter? 02:31 343,262 Play
2016-11-12 Why Does Coffee Make You Poop? 02:26 383,655 Play
2016-11-15 Why Can Applesauce Replace Butter? And Oil? And Eggs? 02:58 317,790 Play
2016-11-19 Can You Really Cook Alcohol Out of Food? 02:55 261,317 Play
2016-11-22 Where Does Your Music Taste Come From? 03:07 303,064 Play
2016-11-26 Why Did You Skip a Period? 02:36 661,718 Play
2016-11-29 Where Do Diamonds Come From? 02:34 273,723 Play
2016-12-03 Why Don't We Have Elbowcaps? 02:07 608,987 Play
2016-12-06 How Can One Person's Blood Save 2 Million Babies? 03:14 167,113 Play
2016-12-10 How Do I Make My Batteries Last Longer? 02:46 686,127 Play
2016-12-13 Why Is Ice Slippery? 02:46 214,287 Play
2016-12-17 Why Does My Voice Crack? 02:42 315,566 Play
2016-12-20 What Does Ultrasound Gel Do? 02:27 331,605 Play
2016-12-24 Can You Get Too Much Sleep? 02:27 504,040 Play
2016-12-27 How Do Cats and Dogs Drink Water? 02:42 243,063 Play
2016-12-31 Should I Wear Sunscreen in the Winter? 02:31 160,302 Play
2017-01-03 Do Fat Cells Ever Really Go Away? 02:30 351,643 Play
2017-01-07 How Do Wetsuits Keep You Warm? 02:54 417,450 Play
2017-01-10 Should I Be Afraid of BPA? 02:41 342,553 Play
2017-01-14 How Does Bug Soup Become a Butterfly? 02:48 223,024 Play
2017-01-17 Why Do I Have Varicose Veins? 02:25 279,523 Play
2017-01-21 What Makes Your Hair Curl? 02:30 337,333 Play
2017-01-24 Does the Camera Really Add Ten Pounds? 02:11 234,767 Play
2017-01-28 Who Really Invented the Radio? 02:59 267,983 Play
2017-01-31 Why Do Peaches Make My Mouth Itch? 03:02 160,961 Play
2017-02-04 Why Do I Have Tonsil Stones? 02:23 3,739,822 Play
2017-02-07 Is Public Wi-Fi Safe? 02:54 350,661 Play
2017-02-11 Can Poppy Seeds Make You Fail a Drug Test? 02:50 250,435 Play
2017-02-14 Why Do We Eat Raw Fish But Not Raw Chicken? 02:44 1,066,627 Play
2017-02-18 Where Does Static Come From? 02:29 313,542 Play
2017-02-21 Why Do I Shiver When I Pee? 02:50 457,024 Play
2017-02-25 Is the Five-Second Rule Real? 02:46 265,805 Play
2017-02-28 Why Did The FDA Ban Antibacterial Soap? 02:59 553,873 Play
2017-03-04 What Did Dinosaurs Taste Like? 02:39 480,713 Play
2017-03-07 Can Hanging Upside Down Kill You? 02:43 461,047 Play
2017-03-11 Why Do We Have Such Crooked Teeth? 02:58 857,038 Play
2017-03-14 Why Do Workout Drinks Make My Skin Tingle? 02:53 178,151 Play
2017-03-18 Do Glasses Ruin Your Eyesight? 03:19 1,426,285 Play
2017-03-21 Why Does Spicy Food Burn When You Poop? 02:42 434,616 Play
2017-03-25 Why Do Golf Balls Have Dimples? 02:55 296,710 Play
2017-03-28 What Happens If You Don't Take out a Splinter? 03:06 3,742,995 Play
2017-04-01 Why Does My Poop Float? 02:57 252,128 Play
2017-04-04 The Painful Truth About Canker Sores (and How to Get Rid of Them for Good!) 02:23 2,759,505 Play
2017-04-08 Why Does Skipping Coffee Give Me Headaches? 02:51 281,599 Play
2017-04-11 Can Danger Give You Super Strength? 02:18 378,244 Play
2017-04-15 How Does Icing an Injury Help? 02:26 463,047 Play
2017-04-18 Why can't you tickle yourself? 02:41 328,200 Play
2017-04-22 Why Do Some People Tolerate Spicy Food? 02:50 487,114 Play
2017-04-25 Why Can't You Use Your Phone on a Plane? 02:27 575,387 Play
2017-04-29 What Happens If A Plane Gets Struck By Lightning? 02:51 449,029 Play
2017-05-02 Why Are Some People Double-Jointed? 02:12 316,361 Play
2017-05-06 Why Does Cold Brew Coffee Taste Better? 02:55 371,340 Play
2017-05-09 Why Is the Ocean Blue? 03:02 380,980 Play
2017-05-13 How Do Flowers Know When to Bloom? 02:33 156,825 Play
2017-05-16 Is Running Really Bad for Your Knees? 02:35 823,093 Play
2017-05-20 What Does My Pee Say About Me? 03:03 224,371 Play
2017-05-23 How Do Curveballs Change Direction in Midair? 02:29 265,793 Play
2017-05-27 Why Is Salt So Bad for You, Anyway? 02:07 521,574 Play
2017-05-30 Why Do Dogs Tilt Their Heads? 02:41 1,144,557 Play
2017-06-03 Can You Learn Perfect Pitch? 02:56 358,356 Play
2017-06-06 Why Are So Many Pro Athletes Lefties? 03:20 186,386 Play
2017-06-10 What Causes Runner's High? 02:56 521,994 Play
2017-06-13 Can Hot Tubs Make You Sick? 03:03 184,803 Play
2017-06-17 Can You Be Allergic To Sunlight? 02:47 454,751 Play
2017-06-20 How Do Those Rock Sculptures Stay Up? 02:33 208,102 Play
2017-06-24 Why Do Glue Labels Warn Not to Sniff It? 02:33 903,732 Play
2017-06-27 Is Premium Gasoline Really Better for Your Car? 02:49 389,261 Play
2017-07-01 What Did Dinosaurs Really Sound Like? 02:50 708,935 Play
2017-07-02 Why Do Your Eyes Get Red in the Pool? 02:39 239,098 Play
2017-07-08 What Does SPF Mean? 03:15 239,694 Play
2017-07-11 Can Plants Get Sunburned? 03:22 185,900 Play
2017-07-15 Why Do Cat Eyes Glow in the Dark? 02:15 374,601 Play
2017-07-18 Why Are Belly Flops So Painful? 02:13 235,867 Play
2017-07-22 Why Do Earthworms Come Out After It Rains? 03:03 301,366 Play
2017-07-25 Why do we Have Earwax? 02:46 314,947 Play
2017-07-29 What Does "A 50% Chance of Rain" Actually Mean? 02:17 472,410 Play
2017-08-01 Why Does Humidity Make It Feel Hotter? 03:11 655,309 Play
2017-08-05 Why Do Some Farts Smell So Bad? 02:36 360,522 Play
2017-08-12 Why Is the Perfect Shower Temperature So Hard To Find? 02:45 278,873 Play
2017-08-15 Why Can't Dogs Eat Chocolate? 03:22 755,210 Play
2017-08-19 Can It Be Too Hot To Fly? 03:03 432,773 Play
2017-11-18 Can You Break Glass with Your Voice? 03:00 185,539 Play
2017-12-19 Can You Really Die of Old Age? 02:21 284,981 Play
2018-05-29 Why Does The Sky Turn Green Before Tornadoes? 02:19 210,264 Play
2019-06-15 Why Does Fish Flake? 02:25 145,178 Play