Top Videos for Kids (and Parents)

Top Videos for Kids (and Parents)

The only thing more curious than a cat? A growing child. To feed hungry young minds, check out our top kids videos below. Each week we carefully select a handful of new educational videos on topics that kids love—from caterpillars that squeak to why dogs wag their tails to boogers, yes, boogers. We make sure each video is one that parents can feel good sharing with their children. Check this playlist often for content that's family-friendly, inspiring, and guaranteed to fight boredom on a long car trip.

04:00

Key Facts In This Video

  • 1

    Winnie the Pooh is a "pooh" bear because "pooh" is the sound he makes when he blows butterflies off his nose. (0:05)

  • 2

    The cartoon character Winnie the Pooh was based on a female cub owned by Canadian soldiers in World War I named Winnie. (0:25)

  • 3

    Disney began animated "The Adventures of Winnie The Pooh" in 1966 because Walt Disney's daughters loved the written series. (2:17)

06:05

Key Facts In This Video

  • 1

    You can actually save money on your water bills by simply putting a brick in your toilet tank. (0:48)

  • 2

    Creamy peanut butter can be used as a shaving cream substitute. (2:05)

  • 3

    To make your own ice pack, put three parts water and one part rubbing alcohol into a plastic baggie and freeze it. (5:00)

03:33

Key Facts In This Video

  • 1

    Galileo named the Northern Lights "Aurora Borealis," which means "dawn of the north" in Latin. (0:35)

  • 2

    Most of the charged particles that the sun exudes are repelled by Earth's magnetosphere, but some do get through at the planet's poles. (1:55)

  • 3

    The Northern Lights are most vibrant during solar storms. (3:04)

05:24

Key Facts In This Video

  • 1

    On average, a tunnel dug from one side of the Earth to the other would be 7,917 miles (12,742 kilometers). (1:19)

  • 2

    Falling down a tunnel dug through the Earth that wasn't in a vacuum would cause you to reach terminal velocity and become stuck, floating, at the Earth's center. (2:23)

  • 3

    Gravity trains would use shallow, dipped tunnels dug into the Earth to propel a vehicle down for the first half of the journey, and up for the second half. (3:29)

02:28

Key Facts In This Video

  • 1

    Each year, up to 20 billion small mammals are killed by cats. (0:42)

  • 2

    In 2000, cats were eradicated from Macquarie island, causing the rabbit population to boom. (0:55)

  • 3

    One study showed that over a 10-year period, cat owners were 30% less likely to die from a heart attack than people who didn't own cats. (1:37)

02:30

Key Facts In This Video

  • 1

    From 2002 to 2011, trampolines were the cause of more than a million ER visits. (0:13)

  • 2

    The Journal of Pediatric Orthopaedics reported that trampoline injuries from 2002 to 2011 cost Americans $1 billion. (0:51)

  • 3

    Bicycles are responsible for more than 250,000 injuries in children every year. (1:19)

04:40

Key Facts In This Video

  • 1

    In January 2015, an Alabama teen invented a maintenance tool for astronauts that could be 3D-printed on the ISS. (0:51)

  • 2

    In May 2015, a teen from Vancouver invented a set of fins for airplane ventilation systems that would reduce the spread of disease. (2:16)

  • 3

    In September 2015, a teen invented a new and more efficient way to test for ebola. (3:42)

06:04

Key Facts In This Video

  • 1

    The majority of an incandescent light bulb's energy produces heat—only about 10% of its energy makes light. (1:09)

  • 2

    William Wrigley Jr. started out selling baking powder and soap. (3:21)

  • 3

    Tin foil hats reduce the intensity of electromagnetic radiation and radio waves. (4:29)

03:59

Key Facts In This Video

  • 1

    A year is actually longer than the calendar predicts by almost 6 hours. (1:10)

  • 2

    There are three leap year rules, and even then we are still one day off every 8,000 years. (2:46)

  • 3

    The length of a day isn't consistent. (3:08)

06:55

Key Facts In This Video

  • 1

    Female cats and dogs tend to be right-pawed, whereas males tend to be left-pawed. (0:58)

  • 2

    Cats typically don't strongly express a paw preference while playing, but do when pursuing a treat. (2:51)

  • 3

    A cat named "Dusty" gave birth to 420 kittens during her lifetime. (5:49)

07:26

Key Facts In This Video

  • 1

    There is a 1 in 1,296 chance of rolling a Yahtzee in a single roll. (1:21)

  • 2

    Watch a Yahtzee roll attempt that uses a popsicle-stick counting system: (2:40)

  • 3

    See an amazing roll with 10-sided dice: (5:18)

03:47

Key Facts In This Video

  • 1

    Researchers have successfully taught goldfish how to play fetch, push levers, do the limbo, and play a form of soccer. (0:26)

  • 2

    Goldfish have been shown to be able to recognize their masters, as well as pick a favorite. (0:47)

  • 3

    Researchers have taught carp to distinguish between classical music and blues music. (2:11)

01:23

Key Facts In This Video

  • 1

    In the 1930s, Kroger grocery had the company Kutol products make a wallpaper cleaner that would later become Play-Doh. (0:22)

  • 2

    The putty that become Play-Doh was originally a wallpaper cleaner, and fell out of demand after WWII. (0:38)

  • 3

    Play-Doh was rebranded as a children's toy after seeing nursery school children play with it. (0:45)

06:00

from It's Okay To Be Smart

Key Facts In This Video

  • 1

    Wilson Bentley photographed the first snowflake. (1:14)

  • 2

    A snowflake crystal starts as a tiny speck of dust or pollen which catches water vapor out of the air. (2:51)

  • 3

    In 1988, researcher Nancy Knight claimed to have found two identical snowflakes. (3:48)

05:52

Key Facts In This Video

  • 1

    The dynasphere never left its prototype stage, as it was nearly impossible to brake or steer. (0:45)

  • 2

    The flying platform achieved lift using contra-rotating ducted fans. (2:36)

  • 3

    The hover scooter rode on about 6 inches (15 cm) of air cushion. (4:45)

04:13

Key Facts In This Video

  • 1

    A technical called "the hold" can easily and quickly calm and quiet infants. (0:37)

  • 2

    The hold that instantly calms children involves crossing their arms across their bodies, holding them at a 45-degree angle, and gently rocking them up and down. (1:10)

  • 3

    You don't want to move your baby in jerky motions ever. (2:20)

02:51

Key Facts In This Video

  • 1

    The scientific term for a brain freeze is sphenopalatine ganglioneuralgia. (0:25)

  • 2

    When we lower the temperature in our mouth and throat, it causes the artery to rapidly expand, which increases the amount of blood flow to the brain. (1:05)

  • 3

    The pressure caused by the influx of blood is the source of the stabbing pain. (1:34)

03:56

Key Facts In This Video

  • 1

    Fruits are the parts of flowering plants that contain the seeds. (0:11)

  • 2

    Green olives are less ripe than black olives. (1:17)

  • 3

    The main difference between kosher salt and regular salt is the grain size. (1:56)

03:33

from National Geographic

Key Facts In This Video

  • 1

    The majority of diamonds used in industry are grown synthetically. (0:20)

  • 2

    Given the right conditions, you can make diamond out of any type of carbon. (0:42)

  • 3

    Mineral hardness is measured in what's called the Mohs scale. (1:35)

04:35

Key Facts In This Video

  • 1

    Wild rabbits have no defenses against predators except the ability to run fast. (0:28)

  • 2

    The Japanese island Ōkunoshima was used to make poison gas during WWII in secrecy. (1:35)

  • 3

    The rabbits on the Japanese island Ōkunoshima have no predators anywhere on the island. (2:39)

02:39

Key Facts In This Video

  • 1

    Charles Schulz's comic "Peanuts" was first called "Li'l Folks." (0:23)

  • 2

    Charles Schulz made about $1 billion over the course of "Peanuts"' 50-year run. (0:49)

  • 3

    Charles Schulz died only a few weeks after he retired. (1:35)

05:21

from It's Okay To Be Smart

06:18

Key Facts In This Video

  • 1

    The New Horizons launch was the fastest spacecraft launch in history. (0:54)

  • 2

    Pluto's famous "heart" is called Tombaugh Regio after the astronomer who discovered Pluto in 1930. (2:17)

  • 3

    Pluto gets its brownish-red color from compounds called tholins. (3:39)

01:09

Key Facts In This Video

  • 1

    Triboluminescence is the glow given off when some materials are subjected to mechanical stress or friction. (0:16)

  • 2

    See duct tape glow in the dark: (0:32)

  • 3

    See duct tape glow in the dark in slow motion: (0:41)

01:14

from Bytesize Science

02:36

Key Facts In This Video

  • 1

    In 1931, a high school physics teacher created the first machine to automatically detect test answers. (0:33)

  • 2

    Pencils are graded by the hardness of the graphite, which corresponds to the darkness of the shading. (1:34)

  • 3

    These days, most machines could detect pencil marks of any shade, regardless of the pencil grade. (1:57)

12:25

Key Facts In This Video

  • 1

    Arthur Schopenhauer said, "If life possessed in itself a positive value in real content, there would be no such thing as boredom." (1:36)

  • 2

    When bored, your brain activity only drops about 5%. (2:38)

  • 3

    The ganzfeld effect is the hallucinations that occurs when people are exposed to random noise and an unchanging monochromatic field. (6:35)

02:46

Key Facts In This Video

  • 1

    Supertasters have a higher sensitivity to the five flavors: salty, sour, sweet, bitter, and umami. (0:28)

  • 2

    Supertasters have up to twice as many taste buds as the average taster. (0:55)

  • 3

    Scientists found out that supertasters perceive the chemical PTC as extremely bitter when some of it exploded in a lab in 1931. (1:38)

02:25

Key Facts In This Video

  • 1

    The poodle haircut was created to help them retrieve wild game near water. (0:06)

  • 2

    Research shows that dogs respond to how we say something, versus what we actually say. (0:58)

  • 3

    Dogs see in color—the thought that they are colorblind is a myth. (1:27)

04:58

Key Facts In This Video

  • 1

    Deep-fried oyster is an ice cream flavor in Japan. (0:20)

  • 2

    There is an ice cream shop in Japan that serves cockatiel- and parakeet-flavored ice cream. (2:00)

  • 3

    You can get horseradish ice cream at a shop in Queens, New York. (3:27)

03:26

Key Facts In This Video

  • 1

    Chihuahuas can have "deer-shaped" or "apple-shaped" heads, and the latter are most common in dog shows. (0:41)

  • 2

    Chihuahuas are descendants of wolves, not fennec foxes. (1:20)

  • 3

    Scientists think that chihuahuas may have been bred from techichi dogs, which were companion dogs to the Toltecs and the Mayans. (2:25)

04:56

Key Facts In This Video

  • 1

    A Dorito is a carbon-based wafer soaked in oil and covered in a hydrocarbon. (0:23)

  • 2

    It would take about two giant-sized bags of Doritos to produce enough fire to cook a steak. (2:18)

  • 3

    The word Doritos stems from a Spanish word meaning "little bits of gold." (3:12)

05:04

Key Facts In This Video

  • 1

    Bugs Bunny has appeared in more movies than any other cartoon character. (0:03)

  • 2

    Hares live above ground, while rabbits burrow underground. (1:58)

  • 3

    Hares have four more chromosomes than rabbits. (2:27)

05:47

Key Facts In This Video

  • 1

    Cirrus radiatus clouds appear to converge at one point on the horizon, but are in fact parallel to one another. (1:01)

  • 2

    Morning glory clouds are roll clouds that most often occur in northern Australia. (2:22)

  • 3

    Polar stratospheric clouds are beautifully colorful, but harmful to the ozone layer. (4:56)

04:20

Key Facts In This Video

  • 1

    The magician's oath requires the oath-taker to never reveal the secret of a trick to a non-magician. (0:43)

  • 2

    Magic tricks are intellectual property, but there are no laws in the U.S. that cover magic tricks outright. (1:45)

  • 3

    Because patents require whatever it patented to be fully explained, a magician cannot patent a trick because it disobeys the magician's oath. (2:05)

03:46

Key Facts In This Video

  • 1

    If you travelled to the spot where a rainbow seemed to end, there would be nothing there. (0:38)

  • 2

    Rain droplets refract different colors of light at slightly different angles. (1:27)

  • 3

    Rainbows are circular. (2:55)

02:41

Key Facts In This Video

  • 1

    Sleep researchers confirm you need 7-8 hours of sleep per night to function at your best. (0:23)

  • 2

    Research suggests eating breakfast within an hour of waking improves mood and cognitive performance for the first half of your day. (0:55)

  • 3

    If you're sleep-deprived, you will be most alert in the first three hours after waking up for the day. (1:32)

02:34

Key Facts In This Video

  • 1

    Milton Hershey started the Hershey Chocolate Company in 1894, at first using the chocolate to coat his signature caramels. (0:37)

  • 2

    Each Hershey product goes through rounds of testing in the research and development lab before being sent out for mass production. (1:00)

  • 3

    When Hershey's Kisses were designed in 1907, each one was wrapped by hand. (1:54)

02:23

Key Facts In This Video

  • 1

    Jellyfish are a type of plankton made almost entirely out of water. (0:27)

  • 2

    Jellyfish have been around for 650 million years. (0:40)

  • 3

    A recent study found the idea of urinating on a jellyfish sting to relieve pain is actually a myth. (1:22)

02:51

Key Facts In This Video

  • 1

    Mucus membranes line all external cavities of the body that are exposed to the outside environment. (0:09)

  • 2

    The nose is producing snot constantly, but in small amounts that tend to dry up in the nose. (1:24)

  • 3

    Hypersecretion happens when the body produces a lot of mucus to combat an illness. (1:56)

03:04

Key Facts In This Video

  • 1

    Many animals have a more sensitive sense of taste than humans. (0:15)

  • 2

    A lion has about 470 taste buds. (1:22)

  • 3

    Catfish can have up to 175,000 taste buds, which are located all over their bodies. (2:04)

08:45

Key Facts In This Video

  • 1

    There are estimated to be more than 3 million shipwrecks on the ocean floor. (0:07)

  • 2

    The Oak Island Money Pit is buried treasure with a known location, but is very difficult to get to. (3:12)

  • 3

    During WWII, the Nazis amassed some of the greatest treasures the world has ever known. (6:07)

03:30

Key Facts In This Video

  • 1

    In freshwater, fish must release a excess amount of diluted urine to keep their bodies from becoming bloated. (0:33)

  • 2

    In the sea, fish drink a large amount of sea water to keep themselves from becoming dehydrated. (0:59)

  • 3

    Sharks pump urea around their body to balance their ion concentration, stabilizing it with the ions in the salt water. (1:48)

03:49

Key Facts In This Video

  • 1

    Dogs use their tails to communicate with other; we know this because dogs do not move their tails when they're alone. (0:16)

  • 2

    When a cat rubs its head against you, it is a likely a happy, relaxed cat. (1:28)

  • 3

    Dolphins that flip and spin may not be showing joy, but actually help to remove parasites or to communicate. (2:30)

04:02

Key Facts In This Video

  • 1

    Male sage grouses inflate and pulse their gular sacs to attract females. (0:06)

  • 2

    It is still a mystery why dusky dolphins perform somersaults in the air. (0:48)

  • 3

    Pairs of Clark's grebes perform synchronized dances on water to reinforce their relationship once a year. (2:32)

04:48

Key Facts In This Video

  • 1

    Birds do get tired, and some never make it to their final destination due to chronic fatigue. (0:42)

  • 2

    To get ready for a long migratory flight, the organs in birds expand and the cells in their stomachs swell. (1:23)

  • 3

    Short-wave occurs when only one half of the brain falls asleep while the other half is still alert. (3:30)

05:36

Key Facts In This Video

  • 1

    Light travels slower in water than in air. (1:17)

  • 2

    For an invisibility cloak to work, it would need to channel light from one side to every opposite side, unchanged. (3:26)

  • 3

    The front of a morpho butterfly's wings are made of alternating layers of air and chitin. (4:05)

02:54

Key Facts In This Video

  • 1

    Boomerangs work by relying on three fundamental principles: lift, relative velocity, and gyroscopic procession. (0:08)

  • 2

    The unequal forces in a flying boomerang create torque, which changes the angular momentum. (0:27)

  • 3

    Boomerangs have been found in ancient Egypt and Europe. (2:17)

01:53

Key Facts In This Video

  • 1

    All bugs are insects, but not all insects are bugs. (0:11)

  • 2

    Bugs have three stages in their life cycle, while insects have four. (0:55)

  • 3

    Bugs don't have teeth or pinchers like insects; bugs have needle-like rostrums. (1:07)

01:30

Key Facts In This Video

  • 1

    Listen to a caterpillar let out an adorable squeak: (0:11)

  • 2

    Caterpillars make noises by forcing air out of their spiracles. (0:32)

  • 3

    Caterpillars make squeaking noise to ward off birds. (0:43)

04:29

Key Facts In This Video

  • 1

    When there isn't enough ice in the Arctic Circle, thousands of walruses swim to Alaska instead. (0:24)

  • 2

    Walruses use their tusks to haul themselves out of the water and make breathing holes in ice. (1:41)

  • 3

    Walrus mustaches aren't made of hair—they consist of specialized organs called mustacial vibrissae. (3:08)

05:30

Key Facts In This Video

  • 1

    Kermit the Frog has a star on the Hollywood Walk of Fame. (0:04)

  • 2

    Kermit the Frog guest-hosted "Larry King Live" in 1994 and interview Hulk Hogan. (1:45)

  • 3

    In the 1980s, the Swedish Chef had a cereal brand known as Cröonchy Stars. (4:50)

05:49

Key Facts In This Video

  • 1

    J.K. Rowling's manuscript for Harry Potter was rejected about five times, mainly because publishers through it was too long for children. (1:06)

  • 2

    "Expecto patronum" is Latin for "I await a protector." (2:32)

  • 3

    J.K. Rowling told Alan Rickman secrets about his character, Professor Snape, so that he could better portray him in the films. (4:46)

08:51

Key Facts In This Video

  • 1

    In the 1950s, dyed goat hair was used for mini-golf putting greens. (0:40)

  • 2

    Coney Island's first roller coaster traveled at 6 miles/hour. (2:28)

  • 3

    Crayola means "oily chalk" in French. (5:51)

01:24

Key Facts In This Video

  • 1

    Listen to an orca imitate the sounds of a boat motor: (0:03)

  • 2

    Orcas live socially in maternal family groups. (0:40)

  • 3

    An orphaned orca named Luna learned to imitate boats after growing up around them in Canada. (0:54)

01:45

from Earth Touch

05:13

Key Facts In This Video

  • 1

    About 20% of people identify as chronic procrastinators. (0:37)

  • 2

    The first step of combating procrastination is to break down a task into more manageable segments. (2:11)

  • 3

    An abundance of distractions often cause people to procrastinate. (3:47)

04:04

from Stuff Mom Never Told You - HowStuffWorks

01:35

Key Facts In This Video

  • 1

    Moths navigate by transverse orientation, which means flying at a constant angle relative to a distant light source. (0:12)

  • 2

    The infrared spectrum emitted by lights can contain some of the same light frequencies emitted by female moths who are ready to mate. (0:29)

  • 3

    Moths sleep during the day in the sunlight, relying on camouflage to guard against predators. (1:01)

01:17

from TestTube 101

Key Facts In This Video

  • 1

    Melanin is what gives skin its color. (0:16)

  • 2

    The more sun you get, the more melanin your skin creates to protect your skin from harmful UV rays. (0:27)

  • 3

    Freckles can be passed down through genes from your parents. (0:42)

02:06

Key Facts In This Video

  • 1

    There are about 150 organic compounds that contribute to the smell of bacon. (0:30)

  • 2

    Certain hydrocarbon chains produce pleasant odors. (0:59)

  • 3

    Nitrogen-containing pyridine compounds may be the primary reason why bacon smells awesome. (1:27)

07:24

Key Facts In This Video

  • 1

    If you were shrunk to only half an inch tall but retained your mass, you would be 150,000x denser than the densest substance ever found on Earth, Osmium. (0:59)

  • 2

    If you were shrunk to only half an inch tall, your voice would only be around 12 and 24 kHz. (2:12)

  • 3

    If you were shrunk to only half an inch tall, you would be able to walk on water. (5:03)

10:55

Key Facts In This Video

  • 1

    Frank Epperson invented the popsicle when he was 11 years old. (0:26)

  • 2

    Chester Greenwood invented earmuffs when he was 15 years old. (2:23)

  • 3

    Blaise Pascal invented the calculator when we was 15 years old. (7:22)

04:13

Key Facts In This Video

  • 1

    The asteroid impact that killed the dinosaurs probably wiped out every animal larger than a cat. (1:12)

  • 2

    If dinosaurs didn't go extinct, mammals wouldn't dominate the Earth, because they would have remained easy prey. (2:21)

  • 3

    An intelligent dinosaur would not necessarily be bipedal or human-like. (2:54)

03:59

from European Space Agency, ESA

Key Facts In This Video

  • 1

    The ISS has overhead, deck, port, and starboard crew quarters. (0:31)

  • 2

    The sleeping quarters on the ISS are compact, with space for a few personal items and a sleeping bag. (0:57)

  • 3

    The sleeping bags on the ISS can either be tethered down at night or float while the crew member sleeps. (3:27)

04:19

Key Facts In This Video

  • 1

    Cultural experiences, including messages sent back and forth online or elsewhere, have the power to shape the brain. (0:56)

  • 2

    Learn the seven signals that people demonstrate during face-to-face interactions: (2:05)

  • 3

    Exclusively verbal communication, such as text messages, primarily activate the left hemisphere of the brain. (3:02)

01:24

Key Facts In This Video

  • 1

    The capybara is the world's largest rodent, weighing up to 150 pounds. (0:15)

  • 2

    Capybaras can stay submerged underwater for up to five minutes. (0:26)

  • 3

    Capybaras are coprophagous, meaning they each their own feces as a source of bacterial gut flora. (0:55)

04:15

Key Facts In This Video

  • 1

    Earth's gravity stretches far beyond the moon. (1:00)

  • 2

    Astronauts aren't "weightless"—it would be more accurate to say that they are in a constant state of freefall. (1:29)

  • 3

    When something is in a planet's orbit, it's basically "falling" in an arc across the surface of the planet. (2:23)

03:41

Key Facts In This Video

  • 1

    In 2013, scientists created hurricane-like vortices on bubbles by heating up the soap film from the bottom. (0:05)

  • 2

    The life cycles of vortices that scientists created on bubbles closely paralleled those of actual cyclones. (1:08)

  • 3

    Heat and motion can redistribute the molecules in a bubble so that it doesn't pop as quickly. (2:18)

04:30

from DW (English)

Key Facts In This Video

  • 1

    Bounce Below is an underground trampoline in northern Wales. (0:10)

  • 2

    It stays just 8 degrees Celsius in Bounce Below, the underground trampoline park in Wales. (1:52)

  • 3

    See what the slate cavern that's now home to Bounce Below looked like a century ago: (2:37)

07:32

Key Facts In This Video

  • 1

    The name for Pluto was suggested by 11-year-old Venetia Burney of Oxford, England. (0:00)

  • 2

    The Disney character Pluto first appeared the same year the name Pluto was suggested for the dwarf planet—but the dog was named Rover at the time. (0:25)

  • 3

    During voting for the name of the new dwarf planet, "Pluto" was the unanimous choice. (3:49)

06:54

from Today I Found Out

Key Facts In This Video

  • 1

    Nearly all commercial banana plants are perfect clones of one another and most originate from one single plant in Southeast Asia. (0:03)

  • 2

    The Panama disease caused the near extinction of the Gros Michel banana. (2:59)

  • 3

    Bananas don't grow on trees, they grow from a root structure that produces an above ground stem. (5:32)

01:08

Key Facts In This Video

  • 1

    A cat has been mayor of Talkeetna, Alaska for more than 15 years. (0:07)

  • 2

    Stubbs the cat was on ballot for mayor in an Alaskan town initially as a joke, but he won. (0:32)

  • 3

    Stubbs the cat, mayor of Talkeenta, Alaska, is now a big tourist attraction for the town. (0:47)

03:42

Key Facts In This Video

  • 1

    Early humans would hunt with and offer scraps to wild wolves. (0:17)

  • 2

    Although dog breeds look very different from one another, they are all the same species. (1:26)

  • 3

    As one of the oldest dog breeds, the Pekingese breed is more genetically similar to wolves than others. (2:39)

01:46

Key Facts In This Video

  • 1

    Astronauts aboard the ISS used "no rinse body bath pouch assy" to wash their hands. (0:22)

  • 2

    Chris Hadfield demonstrated washing hands aboard the International Space Station: (0:33)

08:31

Key Facts In This Video

  • 1

    There are five common species of skunk: striped skunk, spotted skunk, hooded skunk, hog-nosed skunk and stink badgers. (1:05)

  • 2

    Skunks have very bad eyesight, but a keen sense of smell. (2:51)

  • 3

    Skunks can run out of their signature spray; they only have five or six shots before they have to wait to refuel. (6:15)

03:12

Key Facts In This Video

  • 1

    Disney's Rapunzel has 70 feet of hair. (0:40)

  • 2

    The human head has more than 100,000 strands of hair, which makes modeling realistic hair in animation difficult. (0:57)

  • 3

    To create Rapunzel's head of hair, animators relied on mathematics similar to those found in a spring system. (2:07)

01:19

from Scripps Oceanography

Key Facts In This Video

  • 1

    FLIP is short for FLoating Instrument Platform. (0:10)

  • 2

    When FLIP is in its vertical position, 300 of its 355 feet are underwater. (0:35)

  • 3

    FLIP can remain stable even when in the midst of large waves. (0:43)

02:14

Key Facts In This Video

  • 1

    Before Ronan the sea lion proved that she could keep a beat, parrots and related birds were the only animals that had demonstrated the ability. (0:13)

  • 2

    Ronan the sea lion first learned to bob along in sync with simple sounds, similar to those from a metronome. (0:57)

  • 3

    Before Ronan the sea lion was trained, some researchers thought that keeping a beat was tied to vocal mimicry in animals. (1:45)

05:24

Key Facts In This Video

  • 1

    The standard unit for pressure is the pascal, which is Newtons per meter squared. (0:20)

  • 2

    Because your weight is concentrated over a much smaller area when you step on a LEGO brick than when you step on the ground, it hurts very much. (1:51)

  • 3

    It's possible to lay on a bed of nails because your body weight is spread out over the nails, and the pressure is distributed. (2:28)

07:50

Key Facts In This Video

  • 1

    The astronomical definition of constellations labels them as boxes or regions of the sky, not as interconnected stars. (0:58)

  • 2

    The zodiac signs are set on the sun's path across the celestial sphere, known as the ecliptic. (3:25)

  • 3

    Because of the precession of Earth's axis, the sun has only recently began to travel across the constellation Ophiuchus. (5:39)

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Architecture

Etymology

Mating

Science

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