Search Results: "Science ABC"
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03:57
Do Fish Get Thirsty and Do They Need to Drink Water?
205 views / 0 likes - addedWhether fish get thirsty depends on the fish you look at. Fish that live in freshwater have different physiology to deal with their environment than fish in salty seawater. These physiological differences dictate whether fish need to drink water and feel
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09:13
Digestive System: Ingestion to Egestion Explained in Simple Words
505 views / 0 likes - addedThe digestive system is the system that helps us break down the food we eat to its basic nutrients so that our body can use those nutrients to get energy. The digestive system is composed of the long continuous alimentary tract or gastrointestinal tract (
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08:17
What is Radioactivity and Is It Always Harmful: Explained in Really Simple Words
140 views / 0 likes - addedRadioactivity is the property through which a heavier, unstable nucleus assumes a more stable state by emitting radiation. The process through which a nucleus turns into a stable one is called radioactive decay. But is radioactivity or radioactive radiati
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05:32
What is DNA and How Does it Work?
142 views / 0 likes - addedDNA (deoxyribonucleic acid) is a molecule that is often called the blueprint of life. Located in the nucleus, the DNA is a very long molecule with a helix winding structure like a twisted ladder. The rungs of the ladder are made of four different chemical
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05:42
Grandfather Paradox: Explained in Simple Words
227 views / 0 likes - addedThe grandfather paradox is considered the biggest, most popular objection to the logical possibility of backwards time travel. It characterizes a hypothetical situation in which a time traveller goes to their past and ends up causing an event (like, the k
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05:54
Gravitational Lensing: What It Is And How It Is Helping Us Discover New Galaxies
133 views / 1 likes - addedGravitational lensing occurs when a huge amount of matter, like a star, galaxy, or cluster of galaxies, creates a powerful gravitational field around it, strong enough to bend the light coming from distant galaxies (behind them). Roots of gravitational le
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05:40
Why Are There Stones Along Railway Tracks?
150 views / 0 likes - addedThe crushed stones that line railroad tracks are collectively called track ballast. More specifically, the track ballast constitutes the trackbed upon which sleepers or railroad ties are laid. As you may have seen, these stones are packed below, between a
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04:57
Why Do We Dance To Music?
357 views / 0 likes - addedWhy do we dance? We dance to music because of neural connections in our brain. These connections link the part that perceives music, the auditory cortex to the regions that help us move, the motor regions. We might have started creating music in groups an
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10:06
Quantum Entanglement: Explained in REALLY SIMPLE Words
157 views / 0 likes - addedQuantum entanglement is a physical resource, like energy, that is possible between quantum systems. When a coin spins on a flat surface, its in a state of superposition between its two faceshead and tails. Similarly, electrons in their natural state exist
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07:34
7 Scientifically Inaccurate Things They Show in Movies: Most Common Movie Mistakes and Myths
226 views / 0 likes - addedMovie mistakes are an inherent part of any movie - its almost impossible to make movies without taking certain creative liberties to enrich and supplement the plot. In this video, well take a look at some common movie myths that dont hold up in real life.
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05:10
What is the Fibonacci Sequence & the Golden Ratio? Simple Explanation and Examples in Everyday Life
335 views / 0 likes - addedThe Fibonacci sequence is a series of numbers in which a given number is the addition of the two numbers before it. So, if you start with 0, the next number will be 1, followed by 1, followed by 2, followed by 3 and so on. As you can see, every number in
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06:56
Respiratory System: From Inspiration to Expiration Explained in Simple Words
454 views / 0 likes - addedThe respiratory system is composed of the nose or nasal cavity, the pharynx, the larynx, the trachea, the bronchi, and the lungs. The respiratory system's functions are gaseous exchange, inhaling oxygen and exhaling out carbon dioxide, and balancing the p
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03:23
What Exactly is a Tesseract? (Hint: Not a Superhero Stone)
148 views / 0 likes - addedA tesseract is a 4D cube, i.e. a cube that exists in 4 dimensions. Although fans of the Marvel universe and superheroes may associate tesseract with the glowing blue box that houses the Space stone, a tesseract is a real geometrical concept that exists in
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07:01
Black Holes Explained: What Is a Black Hole? How They Form?
347 views / 0 likes - addedA black hole is a celestial body or simply a place in space where the gravitational pull is so high that nothing, not even light can escape it. This is why it's completely black, and hence it's called a black hole. A black hole's surface, called its event
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06:53
Gut Microbiome Explained in Simple Words
150 views / 0 likes - addedThe gut microbiome are the trillions of microorganisms primarily bacteria, but also fungi, viruses and protists that live inside your digestive system. Scientists are discovering that these microbes are vital for us to live healthy lives. They help us dig
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06:02
Particle accelerators: What are they, how do they work and why are they important to us?
144 views / 0 likes - addedA particle accelerator is a machine that accelerates particles. More specifically, it accelerates elementary particles, like protons and electrons, at extremely high speedsalmost 99.99% of the speed of light. These particles are then smashed against a sta
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07:10
How Do Neurons Work?
346 views / 0 likes - addedNeurons send signals through a mechanism called action potential. Action potentials are electrical signals that pass through the neurons axon. This causes the neuron to pass the signal to the next neuron. Action potentials are the reason the nervous syste
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09:27
Cellular Respiration: How Do Cell Get Energy?
441 views / 0 likes - addedCellular respiration is the process through which the cell generates energy, in the form of ATP, using food and oxygen. The is a multistep biochemical process where food, primarily the carbohydrate glucose, is broken down to produce energy. There are thre
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06:41
Multiverse Theory Explained: Does the Multiverse Really Exist? Truth of Multiple Realities
171 views / 0 likes - addedMultiverse theory suggests that our universe, which consists of billions and billions of planets, stars and galaxies and extends out tens of billions of light-years, may not be the only universe that exists. There could be another universe that is complet
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05:05
What Exactly is Spacetime? Explained in Ridiculously Simple Words
173 views / 0 likes - addedSpacetime, as a concept, is related to a space that consists of 4 dimensions instead of the regular 3-dimensional space. As early as 1905, Einstein proposed a now widely popular theory that the speed of light is independent of the motion of all observers,
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03:22
Why Is Blood Drawn From Veins And Not From Arteries?
141 views / 0 likes - addedExperts use veins to draw blood for blood testing, blood donation, and more because the structure and position of veins make it easier to draw blood out of as compared to arteries. It may also be dangerous to draw blood from arteries. References:http://sc
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06:02
Dark Matter Explained: What Exactly is Dark Matter? | A Beginners Guide to Dark Matter
189 views / 1 likes - addedDark matter is an invisible matter that occupies more than half of the space of the observable universe but cannot be detected directly as it doesnt interact with electromagnetic radiation, like visible light and gamma rays. One of the greatest challenges
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06:37
Can We Harness Electricity From Lightning?
514 views / 0 likes - addedLightning is one of the incredible forces of nature. A single bolt of it carries a few billion joules of energy, sufficient enough to power a tens of homes for a day. Humanity since the time of Franklin and Maxwell has been contemplating the idea of captu
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05:22 Popular
Why Are Planetary Orbits Elliptical?
829 views / 0 likes - addedFor a very long time, from Ptolemy to the age of Copernicus, it was widely believed and accepted that planets in our Solar System revolved in a perfectly circular path. Because the circle was presumed to be an ideal shape for planetary bodies to orbit. Bu
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06:19
What is the Heisenberg Uncertainty Principle: Explained in Simple Words
526 views / 0 likes - addedHeisenbergs uncertainty principle says that if we know everything about where a particle is located, we know nothing about its momentum. Conversely, if we know everything about its momentum, then we know nothing about where the particle is located. In oth
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08:35
What is Evolution? A Simple and Brief Explanation
671 views / 0 likes - addedLife is insanely diverse, and thats because of evolution. But there is much that people misunderstand about evolution and how it happens. So, heres a compressed crash course on evolution - from the mutations and recombinations in the DNA which create dive
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06:14 Popular
What Exactly is Archimedes Principle: Explained in Simple Words
826 views / 0 likes - addedArchimedes principle states that if an object is submerged in a fluid, then the buoyant force acting on it is equal to the weight of the fluid displaced by that object. Buoyant force exists because pressure increases as an object goes deeper in a fluid, w
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05:57
Are Giant Insects Larger Than Humans Possible?
239 views / 0 likes - addedScience fiction films like 'The Fly' and 'Mothra' will show you giant insects creating havoc and destroying world order with their giantness. But, is that even possible? Science says, not really. When the insect's exoskeleton expands it gets too heavy and
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04:55
Why Don't They Have Parachutes For Passengers In Commercial Planes?
311 views / 0 likes - addedCommercial airplanes don't give parachutes to passengers. While airplanes have plenty of safety features that help in landing them safely during emergencies, having parachutes onboard for every passenger doesn't seem like a bad idea, does it? Although it
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06:07
Why Venus and Mercury have no Moons?
585 views / 2 likes - addedDo you know all planets except for Mercury and Venus have moons? In fact, Earth is the only planet to have just one moon; remaining planets from Mars onward have multiple moons, with Saturn having as much as 82 moons! So when most of the planets are inund
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05:09
Hawking Radiation Explained: What Exactly Was Stephen Hawking Famous For?
496 views / 0 likes - addedHawking radiation was first discovered by English scientist Stephen Hawking in 1974. Prior to this discovery, our knowledge of black holes was very limited. It was believed that black holes were completely black and that they did not emit any kind of radi
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07:07
Why Is Space Cold If There Are So Many Stars?
528 views / 2 likes - addedSpace is filled with countless stars, all of which radiate enormous amounts of heat. These stars are tens of thousands of times bigger than our own sun. Still, space is considered to be cold. Why is that? If there are so many hot burning stars in space, w
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08:08
How Does A Helicopter Work: Everything You Need To Know About Helicopters
302 views / 0 likes - addedHelicopters are an inseparable component of the aviation industry. However, they were invented much later than the first airplane. And the reason is obvious - helicopters offer many advantages over airplanes. But how exactly do helicopters fly?For any obj
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10:29
Photosynthesis: The Biochemistry Behind How Plants Make Their Food
698 views / 1 likes - addedPlants, unlike most living things, produce their own food through a process called photosynthesis. Photosynthesis means 'making using light'. Plants use the energy from the sunlight to make food. The food matter comes from carbon dioxide present in the ai
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04:40
How Do Astronauts Get Breathable Oxygen In Space (Aboard The ISS)?
359 views / 0 likes - addedThere is plenty of oxygen on Earth; but things change drastically as you breach the boundary of the sky and reach the blackness of space. Oxygen is hard to come by in space, thats why space engineers figured out a way to provide sufficient quantities of o
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03:48
Why Don't We Have Pet Foxes?
398 views / 4 likes - addedBoth foxes and dogs belong to the same family Canidae. Then why havent foxes become our companions too?To answer this, in 1950, a group of Russian scientists began an experiment to try and create the first ever pet fox species. The study led by Russian ge
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06:14 Popular
Do bones decompose? How long does it take for bones to decompose?
1,100 views / 1 likes - addedEver wonder why bones can survive hundreds of years without decomposing? This is due to the unique composition of bone. Bone is primarily composed of a very stable protein called collagen and the mineral calcium. The association between collagen and calci
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04:03
How Do Sunflowers Face The Sun?
404 views / 0 likes - addedYoung sunflowers face the sun when it rises in the east and then track its motion in the sky throughout the day till it sets in the west in the evening. The process repeats the next day, as sunflowers return to their starting position, i.e. facing east. A
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04:22 Popular
Tensor Tympani Muscle: Why Do You Hear A Rumbling Sound When You Close Your Eyes Too Hard?
6,703 views / 0 likes - addedThe tensor tympani muscle is a tiny muscle in the middle ear that helps dampens external sounds falling on the ear. The tensor tympani muscle originates from the Eustachian tube, which is also known as the auditory tube. From there, this muscle attaches t
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11:18
What Does It Take To Make Vaccines?
485 views / 0 likes - addedSince vaccination was discovered in 1769 by Edward Jenner, it has come to become an indispensable part of healthcare. Over the last 50 years, advances in science and technology have allowed us to develop vaccines to diseases at breakneck speed, but the pr
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04:05
Are Zebras Black with White Stripes or White with Black Stripes?
481 views / 1 likes - addedZebras are actually black with white stripes. All animals get their colors from pigments called melanin which are of two kinds - eumelanin gives a black to brown color which pheomelanin gives reddish to yellow hues. The cells that create this pigment, mel
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05:19 Popular
What Are Asteroids And Where Do They Come From?
954 views / 1 likes - addedAsteroids are small, rocky objects that orbit the sun, just like the rest of the planets and celestial bodies in our solar system. Although asteroids are present throughout the solar system, most of them live in the asteroid belta region located between t
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05:21
Why Is It Called "Dead" Sea? Why Does Everyone Float In This Sea?
429 views / 1 likes - addedLying on the lowest point on the Earth, the hypersaline Dead Sea is one of the most fascinating places on this planet. People float effortlessly here and that is the major attraction of the Dead Sea. But besides this natural buoyancy, unique environmental
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05:13
How to live without a heart or a brain - Lessons from a Jellyfish
528 views / 0 likes - addedThe jellyfish is one weird sea animal. What makes it even weirder is that it doesnt have a brain or a heart. Though it doesnt have a brain, it does have a nervous system in the form of nerve nets and some have a structure called a nerve ring. This allows
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05:31
Current Vs Voltage: How Much Current Can Hurt You?
501 views / 0 likes - addedVoltage vs current, or sometimes it's current vs voltage; we are constantly trying to understand the differences between these two entities related to electricity. Then, there is sometimes one more entity: resistance. How do these three entities, i.e. cur
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04:11 Popular
Coefficient Of Restitution: Why Certain Objects Are More Bouncy Than Others?
901 views / 0 likes - addedBasketballs bounce a lot, but plastic balls don’t. Some objects are inherently bouncier than others. Why is that so? The answer lies in a property of the material which is known as the coefficient of restitution. In this video, we give a layman explanatio
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03:33 Popular
Does Earth Come Back To The Same Spot In Space Every Year On Your Birthday?
701 views / 0 likes - addedSince Earth completes one revolution around the sun in 1 year, it would make sense to think that after the completion of year, Earth would be exactly at the same spot where it was at the beginning of the year, wouldn't it? But is it actually true? Does Ea
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07:26 Popular
Entropy: Why is it Predicted to Cause the Heat Death of the Universe?
775 views / 0 likes - addedEverything that has a beginning must also have an end. While we know the Universe sprung to life 13 billion years ago, we don't know when its illustrious journey will come to an end. What we do know is one of the ways it could happen. We call this plausib
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05:27
What Happens When Something Travels Faster Than The Speed of Light?
682 views / 0 likes - addedYou may have heard quite frequently that ‘light is the fastest entity in the entire universe’. That statement is accurate, light is indeed the fastest of all, but not in all mediums. Yes, there are certain particles which can go faster than light in a giv
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05:39
10 Things About The Solar System Your Teachers Never Told You
347 views / 0 likes - addedRemember those old space movies where spaceships had to maneuver through a bunch of asteroids scattered around and blocking the path of the ship? Well, that's not really true. The asteroid belt contains asteroids which are so far apart that you'd have to
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03:46
How Does Google Maps Works: How Is It So Incredibly Accurate About Traffic Conditions?
494 views / 0 likes - addedIf you have a smartphone and travel frequently, it's almost impossible that you haven't used Google Maps. It's an amazingly powerful app that not only acts as a standard GPS device and directs you places, but also gives you recommendations regarding the q
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06:26
Science of a Rocket Launch: How do Rockets Work?
608 views / 0 likes - addedYou may have seen amazing pictures of rockets blasting off from the ground leaving a vast cloud of smoke in their wake, but do you know what those rockets actually are? What are they made of? How are they launch? How do they reach the space? And the most
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08:15 Popular
Time Dilation - Einstein's Theory Of Relativity Explained!
1,057 views / 0 likes - addedThere is absolutely no doubt that after Newton, Einstein is the most popular physicist in the history of science. Between the March and June of 1905, Einstein, then a mere patent clerk, published four papers that revolutionised modern physics forever. Alt
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05:58
How Transistors Work
473 views / 0 likes - addedThe transistor is arguably the greatest invention of the last century, or perhaps, one of the greatest of all time. If it wasn't for transistors, we couldn't have developed smaller, faster and cheaper computers, telephones, GPS devices, radios, gaming con
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07:11 Popular
Immune System: Innate and Adaptive Immunity Explained
1,028 views / 0 likes - addedOur immune system is a fascinating entity, that functions in quite a unique and efficient manner. Comprising of various types of cells, it is prepared for any kind of breach in the fortress of our body, and is equipped to fight off a staggering number of
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07:20
Black Holes Explained
613 views / 1 likes - addedBlack holes are one of the Universe's most tantalizing mysteries. These massive, reticent creatures have provided us monumental insights about how the universe might have begun and how it might eventually end. Check out our new video explaining what they
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04:21 Popular
Newton's Second Law Of Motion: Spiderman Learns it .. The Hard Way!
1,306 views / 3 likes - addedEvery individual on earth, whether they are a regular fellow or a superhero, are bound by the three laws of motion proposed by eminent scientist Sir Isaac Newton. In this video, we are going to discuss how Spiderman, a popular Marvel world superhero, lear
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