BiologyThe Explain
Komodo Dragon
Komodo dragon ke daant sirf blades jaise nahi hote. Unki tips aur serrated edges par literally iron-rich coating hoti hai. Aur ye iska least ridiculous feature hai.
DEV.EXPLAINS
SCIENCE THAT
HITS DIFFERENT.
Visual stories about science, nature and the ideas hiding in plain sight. Researched carefully and explained without losing the wonder.
The premise
THE WORLD IS FASCINATING. LET’S MAKE SENSE OF IT.
Carefully researched.
Clearly explained.
Wonder intact.
The archive
Follow the question.
Every published Dev.Explains story, organised by the kind of question it follows.
01 / 7 subjects02 / 3 repeatable formats03 / 2-source minimum
93 episodes
AstronomyThe Explain
Why the Night Sky Is Dark
Raat ka sky dark nahi hona chahiye. Agar Universe infinite hota, hamesha se same rehta, aur har jagah stars equally spread hote, toh tum jis direction mein dekhte, nazar eventually kisi star par rukti.
Human BodyThe Explain
Why Hair Stops Growing
Tumhare sar ke baal kamar tak grow kar sakte hain. Toh eyelashes chin tak kyun nahi pahunchti?
AstronomyThe Explain
Enceladus
Is moon pe agar tum land karoge, to tumhe poore ocean ki frozen chhat dikhegi. Aur ye chhat literally phat rahi hai.
AstronomyThe Scale Shift
Ranking the Planets
Ranking planets of our solar system based on meri pasand. Sabse pehle hamare paas Jupiter.
Human BodyThe Explain
Why You Can’t See Your Eyes Move
Tum apni aankhon ko mirror mein move karte hue kabhi nahi dekh sakte ho. And you can try it right now.
BiologyThe Explain
Sea Pen
Ye koi plant nahi hai aur na hi ye koi ek single animal hai. Ye hai sea pen.
TechnologyThe Explain
How Noise Cancellation Works
Noise cancelling headphones actually mein noise ko directly silence nahi karta hai. Vo actually mein ek doosra sound play karta hai.
Human BodyThe Explain
5 Things to Do After You Die
Ye 5 weird cheezein tum death ke baad apni body ke sath kar sakte ho. Nadi mein behna tumhare liye nahi hai.
BiologyThe Explain
Osedax
Is animal ke paas na mouth hai, na stomach, aur na ek anus. Phir bhi ye acid se whale ki haddiyan dissolve karke kha jata hai.
PhysicsThe Myth-Bust
The One-Electron Universe
Ho sakta hai tumhari body, tumhare phone aur ek distant star ke andar jo saare electrons hai, wo actually mein ek hi electron hai. Ye idea physicist John Wheeler ne Richard Feynman ko ek phone call pe diya tha aur ise One Electron Universe kehte hai.
Human BodyThe Explain
How 7,000 Languages Form
Duniya mein 7000 alag alag languages exist kaise karti hain? Kya koi baith ke har language invent kar raha tha?
BiologyThe Scale Shift
Jewel Wasp vs Cockroach
Jewel Wasp vs Cockroach, kaun jeetega? Ek side Cockroach.
BiologyThe Scale Shift
Japanese Honeybees vs Giant Hornet
Japanese Honeybees vs Giant Hornet, kaun jeetega? Ek side hai Northern Giant Hornet.
Human BodyThe Explain
Why We Get Hiccups
Humein hichkiyan aati hi kyun hain? Aur saans rokne se ya paani peene se ye kabhi kabhi ruk kaise jati hai?
BiologyThe Explain
Cicada Zombie Fungus
Is cicada ka aadha body gir chuka hai fir bhi ye mating stop nahi kar raha hai. Kyunki ye ab khud ke liye nahi kar raha hai.
AstronomyThe Explain
Mercury
Mercury has ice beside extreme heat, days longer than its years, and a journey that is surprisingly difficult despite being nearby.
BiologyThe Explain
Argonaut Octopus
Ye creature mating ke baad apna khud ka reproductive organ snap karke alag kar deta hai. Ye hai Argonaut Octopus.
AstronomyThe Explain
Europa
Earth ke saare oceans ko agar tum Europa ke andar daal do, toh iska hidden ocean tab bhi earth se zyada hoga. Aur ye hamare moon se bhi smaller hai.
PhysicsThe Explain
The Speed Limit of Light
Universe mein light ki speed limit kyun hai? Light 3 lakh kilometers per second pe kyu travel karti hai?
BiologyThe Scale Shift
Pistol Shrimp vs Mantis Shrimp
Pistol Shrimp vs Mantis Shrimp, kaun jeetega? Ek ke paas hammer hai, doosre ke paas underwater gun.
Human BodyThe Myth-Bust
Jamais Vu
Tumne Deja Vu toh experience kiya hi hoga? Jab kuch naya ek dum familiar lagta hai.
PhysicsThe Scale Shift
Higher Dimensions
Main scientifically prove karke dikhata hoon. Chalo ek simple single point se start karte hain.
AstronomyThe Explain
The Great Attractor
Universe ki sabse scary cheez kya hai? Batata hoon, iska naam hai The Great Attractor.
PhysicsThe Explain
Neutron Star matter
Neutron star ke matter se bhara sirf ek teaspoon earth pe roughly 1 billion tons weigh karega. Matlab ek choti si spoon mein ek poore mountain jitna weight.
BiologyThe Myth-Bust
Wood Frogs
Is frog ka heart literally har winter mein band ho jata hai. Ye breathe karna band kar deta hai aur iska blood circulation bhi stop ho jata hai.
PhysicsThe Myth-Bust
Perfect copy problem
Agar koi tumhe abhi perfectly copy kar de, har memory, har feeling, har thought, aur fir original ko destroy kar de, kya kisi ko farq pata chalega?
BiologyThe Myth-Bust
Brainless slime mould
Ye organism brain ke bina maze solve kar sakta hai. Iske paas na neurons hain, na nervous system.
PhysicsThe Scale Shift
Specification of Universe
Kya tumhe pata hai ki universe ke paas uske khud ke pixels aur ek frame rate bhi hai? Agar hum zoom karte rahein, atom se bhi chhote scale tak, hum ek naye physics domain pe pahunchte hain: Quantum Physics.
BiologyThe Myth-Bust
Cocaine in Salmons
Kya tumhe pata hai ki scientists ne research ke liye literally salmons ko cocaine diya? Aur main serious hoon.
AstronomyThe Explain
Jupiter
Jupiter pe land karna impossible hai, kyunki yahan koi solid surface hi nahi hai. Matlab agar tum wahan jao, toh tum girna shuru karoge aur kabhi rukoge hi nahi.
BiologyThe Myth-Bust
Demon Cavefish
Stranger Things ka demogorgon real life mein mil chuka hai. Bas ek problem hai, ye tumhe kha nahi sakta kyunki ye sirf 4 centimeter ki ek blind machli hai.
BiologyThe Explain
Whale Fall
Jab ek whale mar jaati hai, toh uski story wahin khatam nahi hoti. Kabhi kabhi iski body deep ocean floor par girti hai aur ek poore naye ecosystem ka start hoti hai.
EarthThe Explain
Amazon Rainforest
Amazon rainforest duniya ki sabse buri jagah hai gum hone ke liye. Ye lagbhag United States jitna bada hai.
AstronomyThe Explain
Saturn
Saturn pe land karna impossible hai, kyunki yahan koi solid surface hi nahi hai. Par scientists ko lagta hai ki Saturn itna zyada halka hai ki agar tumhe koi itna bada bathtub mil jaye, toh ye paani mein literally float karega.
PhysicsThe Scale Shift
Biggest Number
Sabse bada number kya hoga jo tum soch sakte ho? Kyunki agar main 1 million tak count karun bina ruke, toh mujhe 11 din lagenge.
BiologyThe Myth-Bust
Hermaphroditic Sea Slug
Mating ke baad ye dono creatures pregnant ho jaate hain. Ye hai Hermaphroditic Sea Slug.
TechnologyThe Scale Shift
Education vs System
India mein ek aisa school hai jo specially un students ke liye banaya gaya hai jo class 10th fail ho gaye.
BiologyThe Explain
High Dolphins
Ye dolphins exactly jaanti hai ki ye kya kar rahi hain? Ye hai ek puffer fish.
TechnologyThe Scale Shift
Diamonds in smartphones
Wo material jo tumhare smartphones mein silicon chips ko replace karne wala hai, wo ek diamond hai. Kyonki har chip electrons ke movement se heat generate karti hai.
Human BodyThe Scale Shift
Ear vs Mic
Agar hum tumhare kaanon ko ek microphone se compare karen to the results are literally insane. Frequency response tumhare kaanon ka 20 se 20,000 hertz ke around hai.
PhysicsThe Scale Shift
15 digits of Pi
Kya tumhein pata hai ki NASA sirf pi ke 15 digits use karta hai? Pi ek transcendental number hai jiske infinite digits hain.
PhysicsThe Scale Shift
Light we can see
Tumhari aankhen poori reality ka sirf 0.0035 percent hissa hi dekh sakti hai. Bas itna hi.
BiologyThe Myth-Bust
Red-lipped Batfish
Yah fish bright red lipstick pehanti hai ek mating partner dhoondhne ke liye. Yah hai red lipped batfish.
AstronomyThe Explain
Before Big Bang
Big bang se pehle kya tha? Ye sochna mujhe genuinely unsettle karta hai.
AstronomyThe Scale Shift
Uranus
Uranus pe land karna impossible hai kyonki wahan koi solid surface hi nahi hai. Par scientist ko lagta hai Uranus ke andar ek liquid carbon ka ocean hai jahan solid diamonds float karte hain.
BiologyThe Myth-Bust
Bonellia Viridis
Yah female creature apne male ko apni body ke andar lock kar deti hai. Ye hai Bonellia viridis.
AstronomyThe Explain
You are Stardust
Big bang ne na hi tumhare bones ka calcium banaya aur na hi tumhare blood ke andar ka iron. To ye aaye kahan se?
BiologyThe Myth-Bust
Elysia Marginata
Yah creature apna sar khud hi kaat leta hai. Yah hai Elysia marginata.
BiologyThe Myth-Bust
Orchid Mantis
Ye insect ko ek orchid mantis ne trick kar diya. Jo ek sugar cube se bhi chhota hai aur ek master hunter hai.
AstronomyThe Scale Shift
Neptune
Neptune par land karna impossible hai. Kyonki wahan par koi solid surface hi nahi hai.
BiologyThe Myth-Bust
Surinam Toad
Yah maa apne bachchon ke liye apni body ko ek living nightmare bana deti hai. Welcome to episode 10 of creatures you don't know.
BiologyThe Myth-Bust
Electric Eel
Yah fish ek second mein paralyze ho gayi, use react karne ka time bhi nahi mila. Kyonki neeche baithi thi ek electric eel.
BiologyThe Myth-Bust
Sea Pig
Yah creature apne anus se breathe karta hai. Although yah koi pig nahi hai but iska naam hai the sea pig.
BiologyThe Myth-Bust
Pistol Shrimp
Yah chhota sa shrimp samudra mein ek gun chala raha hai aur main mazaak nahi kar raha. Yah hai pistol shrimp.
BiologyThe Myth-Bust
Termite Queen
Yah insect har teen second mein ek anda deti hai. Vah bhi pachaas saal tak bina ruke.
AstronomyThe Scale Shift
Rouge Planet
Is planet ka koi star nahi hai. Yah hamesha ke andhere mein akele space mein bhatak raha hai.
BiologyThe Myth-Bust
Adactylidium mite
Yah creature maan ko andar se kha leta hai aur apne sibling ke sath mate karta hai paida hone se pehle hi.
Human BodyThe Scale Shift
Brain vs Hard Disk
Agar hum tumhare brain ko ek hard drive se compare karen to results shocking hai. Brain ka storage 2.5 petabytes hai.
BiologyThe Myth-Bust
Pearl Fish
Yah fish apni poori zindagi ek doosre creature ki butt mein rahti hai. Welcome to episode 3 of creatures you don't know.
BiologyThe Myth-Bust
Flatworms
Yah creature apne reproduction ke liye apne penis se lad raha hai. Jo jeet jayega vah baap ban jayega aur jo haar jayega vah maan ban jayegi.
BiologyThe Scale Shift
Geoduck
Yeh hai geoduck. Yeh apni puri zindagi mein apne partner ko ek bhi baar nahi choota hai.
BiologyThe Explain
What are viruses
Aaj mujhe pata chala ki viruses actually robots hote hain aur main serious hoon. Ek virus basically ek lego kit hai jismein sirf 18 tarah ke proteins hote hain jo sab ek specific pattern mein snap in hote hain.
Human BodyThe Scale Shift
Eye Specs
Agar hum tumhari aankhon ko ek camera se compare karen to results literally shocking hai. Kyonki tumhari aankhon ka resolution 576 megapixels hai.
Human BodyThe Myth-Bust
Jump off balcony
Aisa kyu hota hai ki tumhe ek random urge aati hai ki main balcony se kood jaaun for no particular reason.
BiologyThe Explain
Seahorse
Yah baap pregnant hai. Poore animal kingdom mein yah akela male hai jo bachche deta hai.
BiologyThe Explain
Fireflies are disappearing
Tumne aakhri baar jugnu kab dekhe the? Most probably bachpan mein dekhe honge, kheton ke paas, naani ke ghar ke baahar.
PhysicsThe Scale Shift
Trees vs Stars
Tumhare hisaab se in dono mein kya jyada hai? Milky Way ke saare stars ya Earth ke saare ped?
Human BodyThe Explain
Blood types
Aisa kyon hai ki hum sabke blood types alag alag hote hain? Aur wo negative sign ka kya matlab hai?
BiologyThe Explain
Frogs as fridges
Aaj mujhe pata chala ki frogs used to be fridges. Aur main serious hoon.
TechnologyThe Explain
Blue Origin Blast
Yeh jo rocket blast hua hai, yeh Jeff Bezos ki Blue Origin own karti hai. Aur yah koi ordinary launch nahi tha, yeh tha ek static fire.
BiologyThe Scale Shift
Which is heavier - Insects vs Humans?
Tumhare hisaab se in dono mein se kya zyada bhaari hai? Duniya ke saare insaan ki duniya ke saare insects?
AstronomyThe Myth-Bust
Boltzmann Brain
Tumhare exist karne ke chances almost impossible the. Socho billions of years ki cosmic history, exact Earth, exact conditions, exact evolution, exact parents aur un sab ke baad bhi tum yahan baith ke ye video dekh rahe ho.
BiologyThe Scale Shift
Cretacious Kraken
Kya tumhe dinosaurs scary lagte hain? Then let me introduce you to the giant cretaceous kraken.
Human BodyThe Myth-Bust
Toxler's Effect
Is image ko dekho aur center wale plus pe focus karo. Aas paas ke pink circles pe nahi.
Human BodyThe Myth-Bust
Difference between Introvert and Extrovert
Kya tumhe pata hai ki ek introvert aur extrovert ka brain physically alag hota hai? Aur ye koi choice nahi hai, ye hardware level difference hai.
ChemistryThe Myth-Bust
Which is rarer - Wood or Diamond?
Tumhare hisaab se in dono mein se kya zyada rare hai? Lakdi ki diamonds?
Human BodyThe Myth-Bust
Why are some people Left-handed
Aisa kyu hai ki sirf das mein se ek insaan left handed hota hai. Scientists ko pehle lagta tha ki iske liye ek left handed gene responsible hai par jab dhyan se dekha to pata chala 40 se jyada genes brain ko influence karte hain alag alag tarike se.
ChemistryThe Myth-Bust
Why Honey doesn't Expire
Egypt mein ek 3000 saal purana jar mila aur andar kya tha? Honey jo hum aaj bhi kha sakte hain.
AstronomyThe Scale Shift
Scale of Planets in Solar System
Zyadatar logo ko is cheez ka idea hi nahi hai ki hamare solar system ke baaki planets kitne zyada bade hai.
Human BodyThe Explain
Finding Your Blind Spot
Socho hamare eyeball ke piche ek optic nerve hai to jahan par vo attach hoti hai us area par to ye blind spot hona chahiye na?
TechnologyThe Explain
NASA LandSat Website
Ye hai mera naam jo khud Earth ne likha hai. NASA ne is Earth Day ke liye ek badi interesting website banayi hai jismen agar tum koi bhi word type karoge to wo Earth ki satellite images ko use karke usko spell out kar dega.
Human BodyThe Explain
Frisson
Kya tumhein kabhi gana sunte hue chills aaye hain? Agar haan to tumhara brain literally special hai.
AstronomyThe Explain
TOI-1452 B
Ye planet Earth nahi hai. And what if I told you this is the closest thing we have found to interstellar's planet.