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? 03:07 671,436 Play
2014-02-07 Why Does Beer Make You Pee? 02:28 416,102 Play
2014-02-13 Do My Feet Smell Like Doritos? 02:44 335,715 Play
2014-02-22 Why does Saturn have rings? 02:33 421,704 Play
2014-02-26 Why Did People Love Flappy Bird? 03:21 947,253 Play
2014-03-04 Why Do Bug Bites Itch? 02:25 930,498 Play
2014-03-11 How Does Tape Work? 02:01 402,325 Play
2014-03-19 Why Do Roosters Crow? 01:55 270,069 Play
2014-03-25 Does Alcohol Really Keep You Warm? 02:00 256,481 Play
2014-04-01 Why does ice float? 02:47 384,964 Play
2014-04-08 Why Do Cats Knead? 02:33 1,391,169 Play
2014-04-15 Why Do We Yawn? 02:46 452,775 Play
2014-04-22 Why Does Swiss Cheese Have Holes? 02:10 276,565 Play
2014-04-29 Why Do Zebras Have Stripes? 01:53 344,874 Play
2014-05-06 Why Do Stars Twinkle? 02:33 459,199 Play
2014-05-14 How Do Rainbows Form? 02:45 672,388 Play
2014-05-20 Do Women Have Adam's Apples? 02:10 914,800 Play
2014-05-27 What are Blood Types? 03:05 1,672,217 Play
2014-06-02 Why do we have seasons? 02:29 554,313 Play
2014-06-10 Can Bright Light Make You Sneeze? 02:20 450,468 Play
2014-06-17 What Causes Auroras? 03:29 426,580 Play
2014-06-24 Why Do Joints Pop And Crack? 02:24 1,187,539 Play
2014-07-02 What Makes Your Ears Ring? 02:40 646,490 Play
2014-07-09 Why Do Apples Turn Brown? 02:32 508,807 Play
2014-07-15 Why Do We Blush? 02:19 424,713 Play
2014-07-23 Why Do Birds Have White And Dark Meat? (And Do We?) 02:48 563,136 Play
2014-07-31 How Do Polarized Sunglasses Work? 03:26 553,858 Play
2014-08-05 How Do Oysters Make Pearls? 02:29 1,908,551 Play
2014-08-12 How Many Colors Can We See? 02:35 493,021 Play
2014-08-19 Why Do Dogs Eat Grass? 02:16 748,618 Play
2014-08-26 Does Alcohol Kill Brain Cells? 02:07 749,575 Play
2014-09-02 Why (and How) Do Bees Make Honey? 02:43 642,366 Play
2014-09-10 Why Is My Poop Green? 02:49 1,667,852 Play
2014-09-16 Why Can't I Put Metal in the Microwave? 02:33 1,317,219 Play
2014-09-24 What Causes Brain Freeze? 02:48 549,088 Play
2014-09-30 Does My Voice Really Sound Like That? 02:24 1,193,531 Play
2014-10-07 Why Do Leaves Change Color and Fall? 02:12 261,099 Play
2014-11-04 What's in Those Packets That Say 'Do Not Eat'? (And Why Shouldn't I Eat It?) 02:02 681,464 Play
2014-11-11 Why Do Dogs Pant? 02:51 420,028 Play
2014-11-18 Why Do I Have to Brush My Teeth? 03:10 534,392 Play
2014-11-26 Why Isn't "Zero G" the Same as "Zero Gravity"? 02:13 367,356 Play
2014-12-01 Why Does Spicy Taste 'Hot' and Minty Taste 'Cool'? 02:43 605,072 Play
2014-12-09 What Is Night Blindness? 01:53 564,142 Play
2014-12-16 Why Does Rain Smell? 02:21 429,433 Play
2014-12-23 Why Do Atoms Bond? 02:24 507,148 Play
2014-12-31 Can Dogs See Color? 01:53 649,071 Play
2015-01-06 Why are we Ticklish? 02:27 864,974 Play
2015-01-13 When You Burn Fat, Where Does it Go? | The Science of Weight Loss 02:42 2,267,662 Play
2015-01-20 Why Can We See Our Breath In The Cold? 02:21 415,385 Play
2015-01-28 Why Do We Have Baby Teeth? 02:37 790,476 Play
2015-02-04 Why Are Eggs ... Egg-Shaped? 01:33 425,370 Play
2015-02-10 How Did a Magnet Just Break My Monitor? 01:59 548,343 Play
2015-02-18 Why Is My Tongue Stuck to This Flagpole? 02:47 335,818 Play
2015-02-23 Why Do Koalas Hug Trees? 02:24 373,742 Play
2015-03-04 Do Fish Drink Water? 02:26 1,551,155 Play
2015-03-10 Why Does Toothpaste Make Everything Taste Bad? 02:33 426,154 Play
2015-03-17 Why Are There Animals on My Face?! 02:56 405,268 Play
2015-03-24 How Do My Fingerprints Form? 03:04 573,390 Play
2015-03-31 Do Plants Get Cancer? 02:18 659,128 Play
2015-04-08 Why Is Fluoride Good for Teeth? 02:46 519,181 Play
2015-04-15 Why Am I Upside-Down When I Look in a Spoon? 02:41 412,989 Play
2015-04-21 Why Do I Have to Use a Number 2 Pencil? 02:36 1,357,060 Play
2015-04-28 Does Thinking Hard Burn More Calories? 02:28 468,918 Play
2015-05-05 Why Does Your Stomach Make Noises? The Science of Rumbles & Grumbles 01:50 1,406,206 Play
2015-05-12 Why Do We Wrinkle When Wet? 02:10 1,171,073 Play
2015-05-19 Does Hair Ever Stop Growing? 02:51 1,122,326 Play
2015-05-26 Why Do Things Look Darker When They're Wet? 02:04 506,626 Play
2015-06-02 Why You Can't Breathe Out of Your Nose When You're Sick 02:49 3,145,645 Play
2015-06-09 Why Do Things Fade in the Sun? 02:16 474,986 Play
2015-06-16 Why Does Cilantro Taste Like Soap? 02:53 791,148 Play
2015-06-23 Why Does Your Breath Stink in the Morning? 01:52 675,485 Play
2015-06-29 Why Do People Go Bald? 02:40 600,810 Play
2015-07-07 Why Does Pepper Make You Sneeze? 01:56 234,699 Play
2015-07-13 What Causes Sunburns? 02:34 541,666 Play
2015-07-21 Why Do Planes Fly So High? 02:23 779,849 Play
2015-07-23 Why Do Bruises Change Colors? 02:24 719,397 Play
2015-08-03 Can Pickles and Bananas Really Help Athletes? 02:48 297,102 Play
2015-08-11 What Happens to My Wool Sweater in the Washer? 02:28 321,319 Play
2015-08-18 What Happens When You Faint? 02:26 1,007,161 Play
2015-08-25 Are You a Supertaster? 02:46 712,617 Play
2015-09-02 Why Are Flamingos Pink? 02:12 373,237 Play
2015-09-08 Why Don’t Spiders Stick to Their Webs? 03:06 412,859 Play
2015-09-15 Why Do Boomerangs Come Back? 02:25 784,566 Play
2015-09-22 What Causes Pins and Needles? 02:26 1,315,991 Play
2015-09-29 Why Is There a Magnet Inside My Dog? 02:31 474,529 Play
2015-10-06 Could We Destroy the Earth? 02:43 597,588 Play
2015-10-13 Why Do Nuclear Bombs Make Mushroom Clouds? 02:44 631,928 Play
2015-10-20 Does Hot Water Freeze Faster Than Cold Water? 02:33 725,571 Play
2015-10-28 Do Animals Cry? 02:33 365,187 Play
2015-11-03 Why Don't Sleeping Bats Fall Down? 02:41 316,992 Play
2015-11-10 Why Can Blu-rays Hold More Than DVDs? 02:40 416,367 Play
2015-11-17 Why Do Animals Lick Their Wounds? 02:44 422,895 Play
2015-11-25 What Does Your Uvula Actually Do? 02:46 1,766,671 Play
2015-12-01 Why Do We Have Blind Spots? 02:29 448,967 Play
2015-12-08 Why is Red Meat ... Red? 02:42 466,199 Play
2015-12-15 Why Do Our Noses Run in the Cold? 01:55 524,925 Play
2015-12-22 Why Heart Cancer is Incredibly Rare 02:25 1,312,946 Play
2015-12-29 What's Causing That Stitch in Your Side? 02:44 2,091,058 Play
2016-01-12 What Happens When You Hold Your Pee? 02:41 2,485,513 Play
2016-01-18 Why Does Alcohol Burn When You Drink It? 01:47 1,385,795 Play
2016-01-26 Why Shouldn't You Take Medicine with Grapefruit Juice? 02:13 680,628 Play
2016-02-02 What Are Muscle Knots? 02:25 1,144,092 Play
2016-02-09 Where Does Love Come From? 02:32 323,802 Play
2016-02-16 Why Do We Sneeze? 02:33 850,467 Play
2016-02-23 What Causes Growing Pains? 02:06 419,956 Play
2016-03-05 Should You Use Hydrogen Peroxide to Clean Wounds? 02:11 1,000,776 Play
2016-03-08 Do Sore Muscles Mean They're Growing? 02:00 1,041,543 Play
2016-03-12 Why Does Plane Food Taste So Bad? 02:56 441,314 Play
2016-03-15 Why Can't You Remember Being a Baby? 02:43 648,201 Play
2016-03-19 Why Does My Face Turn Red When I'm Angry? 02:19 284,241 Play
2016-03-22 Why Do I Feel Lightheaded When I Stand Up? 02:23 858,447 Play
2016-03-26 What Are Eye Boogers? 02:24 1,027,087 Play
2016-03-29 Urinal Cakes: Why? 02:38 666,591 Play
2016-04-02 What are Scars? 03:08 473,018 Play
2016-04-05 Why Do We Get Freckles? 02:35 877,994 Play
2016-04-09 Are Those Really Blackheads? 02:41 1,617,304 Play
2016-04-12 Why Does Water Go Stale? 02:26 1,794,097 Play
2016-04-16 What is Restless Leg Syndrome? 02:25 1,561,528 Play
2016-04-19 What Makes Fresh Air Fresh? 02:18 400,311 Play
2016-04-23 Why Is Freezer Burn Ruining My Food? 01:47 475,178 Play
2016-04-26 Why Does Running Water Make You Want To Pee? 02:19 347,275 Play
2016-04-30 Do Negative-Calorie Foods Exist? 01:56 656,107 Play
2016-05-03 Why Do Birds Sing in the Morning? 02:10 397,273 Play
2016-05-07 Why Is My Body Temperature 37 Degrees? 02:25 933,567 Play
2016-05-10 Why Is My Whiteboard So Dirty? 03:04 377,874 Play
2016-05-14 Why Do Old Books Smell So Good? 02:22 460,370 Play
2016-05-17 Are Multivitamins Really Good For You? 02:57 734,188 Play
2016-05-21 Why Do We Jump in Our Sleep? 02:46 1,577,385 Play
2016-05-24 How Do Blacklights Make Things Glow? 02:50 585,880 Play
2016-05-28 Why Do Newborn Babies Get Jaundice? 02:24 433,210 Play
2016-05-31 Why Are There Bacteria In My Yogurt? 03:30 354,793 Play
2016-06-04 Why Can Mosquitoes Transmit Zika, But Not the Flu? 02:59 272,562 Play
2016-06-07 How Do Marine Mammals Hold Their Breath For So Long? 03:34 472,716 Play
2016-06-14 Why Do We Itch? 02:34 401,636 Play
2016-06-18 Is the Y Chromosome Disappearing? 02:56 771,526 Play
2016-06-21 How Do Noise-Canceling Headphones Work? 02:11 586,518 Play
2016-06-25 Why Does Garlic Ruin Dates? 02:42 418,631 Play
2016-06-28 Why Do We Stretch in the Morning? 02:35 691,176 Play
2016-07-02 Why Do Babies Smell So Good? 02:17 641,774 Play
2016-07-05 Why Do My Ears Pop? 02:25 543,183 Play
2016-07-09 Why Isn't a Kilogram a Kilogram? 02:53 378,516 Play
2016-07-12 Why Is The Sound Of Chewing So Awful? 02:31 307,008 Play
2016-07-16 Why Do Cats Like Catnip? 03:06 1,180,778 Play
2016-07-19 What Is Taurine and Why's It in My Energy Drink? 02:27 878,908 Play
2016-07-23 Why Don't Penguins' Feet Freeze? 02:40 431,125 Play
2016-07-26 How Do Toys Glow in the Dark? 02:37 363,384 Play
2016-07-30 Why are Insects Attracted to Light? 02:35 479,531 Play
2016-08-02 What's the Best Position for Pooping? 02:47 1,104,897 Play
2016-08-06 Are There Really Insects in Yogurt? 02:41 248,279 Play
2016-08-09 Why Do Ribbons Curl? 02:22 273,955 Play
2016-08-13 Does Radiation Make Air Travel Dangerous? 02:29 272,175 Play
2016-08-16 What's the Ultimate Campfire Fuel? 02:57 275,849 Play
2016-08-20 Why Do My Eyes Glow Red in Photos? 02:23 347,653 Play
2016-08-23 Why Do Women Live Longer Than Men? 02:47 482,057 Play
2016-08-27 What's the Best Way to Pour Beer? 02:39 287,113 Play
2016-08-30 Are Hand Dryers Sanitary? 03:05 472,272 Play
2016-09-03 What Makes Sourdough Bread Sour? 02:40 248,979 Play
2016-09-06 Why Does Virtual Reality Make Me Sick? 02:30 278,318 Play
2016-09-10 Does Beer Actually Help Breastfeeding? 03:08 223,631 Play
2016-09-13 How Can I Make A Traffic Light Turn Green? 02:48 1,063,605 Play
2016-09-17 Why Do I Get Dark Circles Under My Eyes? 02:26 821,832 Play
2016-09-20 Why Can the Same Drug Treat Heart Attacks and Anxiety? 03:32 329,026 Play
2016-09-24 Should You Store Eggs in the Fridge? 02:35 581,200 Play
2016-09-27 What Are Those Lines on My Nails? 02:34 2,037,349 Play
2016-10-01 How Do Concussions Cause Amnesia? 02:41 236,268 Play
2016-10-04 Are Plastic Dinosaurs Made from Real Dinosaurs?! 02:45 244,766 Play
2016-10-08 How Do Desensitizing Toothpastes Work? 02:52 221,898 Play
2016-10-11 Does Air on Planes Make You Sick? 02:27 207,878 Play
2016-10-15 Does Music Really Make Babies Smarter? 03:16 240,870 Play
2016-10-18 Why Do Cats Love Boxes? 02:15 612,364 Play
2016-10-22 What Makes Fresh Cut Grass Smell? 02:11 233,928 Play
2016-10-25 Why Does Glitter Stick to Everything? 02:12 332,719 Play
2016-10-29 Do Dead Batteries Really Bounce? 02:57 431,172 Play
2016-11-01 Am I Really A Visual Learner? 02:38 304,065 Play
2016-11-05 Why Are Paper Cuts So Painful? 02:14 408,084 Play
2016-11-08 How Do Insects Survive the Winter? 02:31 355,684 Play
2016-11-12 Why Does Coffee Make You Poop? 02:26 428,331 Play
2016-11-15 Why Can Applesauce Replace Butter? And Oil? And Eggs? 02:58 325,175 Play
2016-11-19 Can You Really Cook Alcohol Out of Food? 02:55 264,544 Play
2016-11-22 Where Does Your Music Taste Come From? 03:07 320,380 Play
2016-11-26 Why Did You Skip a Period? 02:36 662,782 Play
2016-11-29 Where Do Diamonds Come From? 02:34 285,559 Play
2016-12-03 Why Don't We Have Elbowcaps? 02:07 614,322 Play
2016-12-06 How Can One Person's Blood Save 2 Million Babies? 03:14 170,606 Play
2016-12-10 How Do I Make My Batteries Last Longer? 02:46 693,412 Play
2016-12-13 Why Is Ice Slippery? 02:46 216,883 Play
2016-12-17 Why Does My Voice Crack? 02:42 346,847 Play
2016-12-20 What Does Ultrasound Gel Do? 02:27 344,131 Play
2016-12-24 Can You Get Too Much Sleep? 02:27 543,530 Play
2016-12-27 How Do Cats and Dogs Drink Water? 02:42 255,119 Play
2016-12-31 Should I Wear Sunscreen in the Winter? 02:31 166,533 Play
2017-01-03 Do Fat Cells Ever Really Go Away? 02:30 366,798 Play
2017-01-07 How Do Wetsuits Keep You Warm? 02:54 441,283 Play
2017-01-10 Should I Be Afraid of BPA? 02:41 355,165 Play
2017-01-14 How Does Bug Soup Become a Butterfly? 02:48 226,418 Play
2017-01-17 Why Do I Have Varicose Veins? 02:25 283,544 Play
2017-01-21 What Makes Your Hair Curl? 02:30 354,834 Play
2017-01-24 Does the Camera Really Add Ten Pounds? 02:11 240,565 Play
2017-01-28 Who Really Invented the Radio? 02:59 312,117 Play
2017-01-31 Why Do Peaches Make My Mouth Itch? 03:02 163,830 Play
2017-02-04 What Are Tonsil Stones & How Do I Get Rid of Them? 02:23 3,916,508 Play
2017-02-07 Is Public Wi-Fi Safe? 02:54 375,910 Play
2017-02-11 Can Poppy Seeds Make You Fail a Drug Test? 02:50 256,645 Play
2017-02-14 Why Do We Eat Raw Fish But Not Raw Chicken? 02:44 1,078,892 Play
2017-02-18 Where Does Static Come From? 02:29 327,614 Play
2017-02-21 Why Do I Shiver When I Pee? 02:50 464,683 Play
2017-02-25 Is the Five-Second Rule Real? 02:46 270,674 Play
2017-02-28 Why Did The FDA Ban Antibacterial Soap? 02:59 558,689 Play
2017-03-04 What Did Dinosaurs Taste Like? 02:39 486,826 Play
2017-03-07 Can Hanging Upside Down Kill You? 02:43 473,253 Play
2017-03-11 Why Do We Have Such Crooked Teeth? 02:58 868,077 Play
2017-03-14 Why Do Workout Drinks Make My Skin Tingle? 02:53 179,610 Play
2017-03-18 Do Glasses Ruin Your Eyesight? 03:19 1,446,784 Play
2017-03-21 Why Does Spicy Food Burn When You Poop? 02:42 471,911 Play
2017-03-25 Why Do Golf Balls Have Dimples? 02:55 302,596 Play
2017-03-28 What Actually Happens If You Don't Take Out a Splinter? 03:06 3,807,424 Play
2017-04-01 Why Does My Poop Float? 02:57 262,904 Play
2017-04-04 How to Get Rid of Canker Sores, According to Science 02:23 2,854,312 Play
2017-04-08 Why Does Skipping Coffee Give Me Headaches? 02:51 303,636 Play
2017-04-11 Can Danger Give You Super Strength? 02:18 416,330 Play
2017-04-15 How Does Icing an Injury Help? 02:26 514,254 Play
2017-04-18 Why can't you tickle yourself? 02:41 337,637 Play
2017-04-22 Why Do Some People Tolerate Spicy Food? 02:50 499,863 Play
2017-04-25 Why Can't You Use Your Phone on a Plane? 02:27 577,212 Play
2017-04-29 What Happens If A Plane Gets Struck By Lightning? 02:51 454,241 Play
2017-05-02 Why Are Some People Double-Jointed? 02:12 330,398 Play
2017-05-06 Why Does Cold Brew Coffee Taste Better? 02:55 383,788 Play
2017-05-09 Why Is the Ocean Blue? 03:02 419,333 Play
2017-05-13 How Do Flowers Know When to Bloom? 02:33 162,774 Play
2017-05-16 Is Running Really Bad for Your Knees? 02:35 837,683 Play
2017-05-20 What Does My Pee Say About Me? 03:03 225,832 Play
2017-05-23 How Do Curveballs Change Direction in Midair? 02:29 268,237 Play
2017-05-27 Why Is Salt So Bad for You, Anyway? 02:07 542,035 Play
2017-05-30 Why Do Dogs Tilt Their Heads? 02:41 1,156,208 Play
2017-06-03 Can You Learn Perfect Pitch? 02:56 370,909 Play
2017-06-06 Why Are So Many Pro Athletes Lefties? 03:20 187,439 Play
2017-06-10 What Causes Runner's High? 02:56 564,869 Play
2017-06-13 Can Hot Tubs Make You Sick? 03:03 187,988 Play
2017-06-17 Can You Be Allergic To Sunlight? 02:47 518,822 Play
2017-06-20 How Do Those Rock Sculptures Stay Up? 02:33 210,545 Play
2017-06-24 Why Do Glue Labels Warn Not to Sniff It? 02:33 934,547 Play
2017-06-27 Is Premium Gasoline Really Better for Your Car? 02:49 390,382 Play
2017-07-01 What Did Dinosaurs Really Sound Like? 02:50 737,280 Play
2017-07-02 Why Do Your Eyes Get Red in the Pool? 02:39 244,532 Play
2017-07-08 What Does SPF Mean? 03:15 249,406 Play
2017-07-11 Can Plants Get Sunburned? 03:22 187,759 Play
2017-07-15 Why Do Cat Eyes Glow in the Dark? 02:15 397,292 Play
2017-07-18 Why Are Belly Flops So Painful? 02:13 238,643 Play
2017-07-22 Why Do Earthworms Come Out After It Rains? 03:03 320,567 Play
2017-07-25 Why do we Have Earwax? 02:46 329,048 Play
2017-07-29 What Does "A 50% Chance of Rain" Actually Mean? 02:17 539,527 Play
2017-08-01 Why Does Humidity Make It Feel Hotter? 03:11 734,863 Play
2017-08-05 Why Do Some Farts Smell So Bad? 02:36 372,919 Play
2017-08-12 Why Is the Perfect Shower Temperature So Hard To Find? 02:45 280,625 Play
2017-08-15 Why Can't Dogs Eat Chocolate? 03:22 818,904 Play
2017-08-19 Can It Be Too Hot To Fly? 03:03 435,727 Play
2017-11-18 Can You Break Glass with Your Voice? 03:00 193,009 Play
2017-12-19 Can You Really Die of Old Age? 02:21 295,640 Play
2018-05-29 Why Does The Sky Turn Green Before Tornadoes? 02:19 220,647 Play
2019-06-15 Why Does Fish Flake? 02:25 147,476 Play