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Be Smart

@besmart

475 videos · 90 shorts · once a week

2:00

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Why are there no green mammals?

42:43

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The Real Cost of AI Will Shock You

1:43

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Where have humans never been?

1:52

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Your blood is never blue?

1:51

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Why don’t you feel your clothes?

1:34

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Do you go blind every time you blink?

24:54

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This Weird Pattern Will Let Us Reshape Matter

2:33

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Why don’t humans have tails?

2:20

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Why don't you remember being a baby?

2:04

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You shrink every day

17:14

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The Very Weird Reason Hot Water Freezes Faster

1:38

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New INSANE Images of the Sun's Surface!

1:55

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Why has no one cured hiccups yet?

2:30

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Is this mammal actually an insect?

28:10

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How HIV Started a Century Before Anyone Noticed

1:25

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Why don't we have just ONE nostril?

22:01

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The New Kind of Heat Humans Can’t Handle

1:32

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We just found a MASSIVE whale graveyard

1:42

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Which animal is most INVINCIBLE to poison?

1:55

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The secret inside a whale's ear

17:36

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Scientists Finally Figured Out What Love Is For

1:48

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Why don't humans walk like THAT?

2:04

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Spacecraft don’t burn from friction

18:28

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We've never seen an atom. But we know what they look like.

1:33

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Wait, are octopuses building cities now?

12:11

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Infinity isn’t a number. It's something much weirder.

2:01

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Did your brain get tricked by the 9 dots?

2:28

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The famous science story that never happened

1:55

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Why don't elephants have pointy ears?

26:48

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Something Strange Happens When You Flatten the Earth…

1:54

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Is this the weirdest thing we've seen in space?

2:10

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How much of a tree is ACTUALLY alive?

1:33

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Strange things are happening in the Kuiper Belt…

24:20

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You've Been Lied to About DNA Evidence

2:24

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Can you see these FORBIDDEN colors?!

1:59

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Memory doesn't work the way you think

1:57

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Wait… the oil industry invented autotune?! 🎵

18:26

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Traffic Lights Are So Much Weirder Than You Realize

1:30

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Is dust really people?

16:14

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The Intelligence Test Where Ants Beat Humans

2:05

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What time is it on Voyager 1? 🤔

1:40

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What's REALLY killing all the birds?

2:55

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How much does Will Smith know about nature?

21:07

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Everything I Thought I Knew About Flavor Was Wrong

2:59

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what if Disney films were scientifically accurate? (PART 2!)

21:21

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The Scientific Lie That Damaged Generations of Men

1:15

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Raindrops aren't raindrop-shaped

23:54

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Inside the Vault Where They Keep the Dinosaur Apocalypse

2:04

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Is This the Most Invincible Creature on Earth?

1:56

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Scientists studied the OLDEST human and here's their secret

14:23

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(Almost) Everything You Learned About Genetics Is Wrong

1:48

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What animal lives the shortest life?

2:06

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This is the LONGEST non-stop journey in nature!

12:27

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Mars Used to Be Blue... Then Something Happened

1:57

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We made a whole physics video about falling toast

1:30

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Can YOU See the Blackest Animal on Earth?

36:48

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Why Everyone Suddenly Has Autism (It’s Not What You Think)

1:42

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The physics mystery of falling cats

2:09

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How Spaghetti Stumped Physicists For a Century

2:31

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What if Disney films were scientifically accurate? (YIKES)

2:22

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Wait until you hear Earth's LOUDEST animal

15:22

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Why Seedless Fruit Is a Disaster Waiting To Happen

1:54

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Can you guess the HEAVIEST living organism?

2:03

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What if you add up every drop of water on Earth?

22:37

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The Randomness Crisis Threatening the Internet

2:05

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Why sunscreen looks so WEIRD in UV

1:57

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The BIGGEST camera ever is making a movie of the universe

2:13

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What’s ACTUALLY the most venomous animal?

17:42

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Blood Types Are WEIRDER Than You Think

1:33

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How to steer at 99.9999999% the speed of light?

1:53

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You’re wrong about the world’s fastest animal

18:16

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How Feathered Dinosaurs Accidentally Invented Flight (We Tested It!)

1:20

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This is the REAL reason headaches hurt

1:37

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This is nature’s sleepiest animal 💤

1:52

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What’s the DEEPEST Living Thing?

17:16

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What could we see with a planet-sized telescope?

1:30

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Custom gene editing just saved this baby’s life! 🧬👶

1:57

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This galaxy map is hiding a secret about dark energy

28:03

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The Argument for De-Extinction: EXPLAINED

2:32

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100 Humans vs 1 Gorilla: The DEFINITIVE Scientific Take 🦍

1:30

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What is the oldest living thing?

18:05

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Photosynthesis Has a Fatal Flaw (and We Can Fix It)

1:50

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You’ll be SHOCKED when you see how bad pollution used to be 🤢

1:32

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Why is the ocean salty?

1:35

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Why do bugs always die on their backs?

18:08

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Where Are the Oldest Rocks On Earth?

1:36

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Why do birds fly in a V?

18:48

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Why Your Grandmother Is an Evolutionary Mystery

1:23

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So THAT’s what banana strings really are?! 🍌

1:14

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What’s the longest song?

11:38

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The Weird Science That Lets Insects Fly in the Rain

1:31

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We need to talk about how weird these are

1:12

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Is this the WEIRDEST fruit on Earth?

1:15

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NASA found something STRANGE in these asteroid samples 🫨

1:00

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What makes snow so quiet?

2:05

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We finally know what makes pee yellow

0:46

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This video is half a moment long

13:10

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The Weird Reason Some People Can Taste Colors

0:51

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Why constellations are actually an illusion

16:13

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Why Useless Knowledge Can Be So Useful