How Much Sleep Do You Actually Need?
Adults Human
If you get too little, or too much, your brain could suffer.
Watch This Smart Crow Ask Human For A Drink
Adults Human
Thirsty crow comes to humans for help
The luckiest unlucky man to ever live
Adults Human
Most people don't escape death even once. Frane Selak has survived just about every type of vehicular accident.
How do we smell?
Adults Human
An adult human can distinguish up to 10,000 odors. You use your nose to figure out what to eat, what to buy and even when it's time to take a shower. But how do the molecules in the air get translated into smells in your brain? Rose Eveleth charts the smelly journey through your olfactory epithelium and explains why scent can be so subjective.
Bonobo builds a fire and toasts marshmallows
Adults Human
Kanzi the bonobo lives in America and has learnt how to build a fire, light it using matches and toast marshmallows on it. It shows just how like us some primates really are.
Jumpy
Adults Human
Jumpy, a Border Collie and Blue Heeler mix, has been training with his owner Omar von Muller ever since he was a puppy. In this video, he's demonstrating the famous "Skidboot" routine.
Usain Bolt vs. a Cheetah
Adults Human
The fastest man alive, Usain Bolt, runs a virtual race against nature's fastest land animal.
Why do we cry? The three types of tears
Adults Human
Whether we cry during a sad movie, while chopping onions, or completely involuntarily, our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal, reflex and emotional tears.
Why Do We Yawn?
Adults Human
What makes yawning so contagious?
Inspiring Video Of The Day: I Like Being 98.
Adults Human
This film tells the story of Evelyn who, despite her limited resources, goes out of her way to help her neighbour.
How sugar affects the brain
Adults Human
When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation.
The Invisible Universe Of The Human Microbiome
Adults Human
The next time you look in a mirror, think about this: In many ways you're more microbe than human. There are 10 times more cells from microorganisms like bacteria and fungi in and on our bodies than there are human cells. But these tiny compatriots are invisible to the naked eye. So we asked artist Ben Arthur to give us a guided tour of the rich universe of the human microbiome.
Take a Seat - Make a Friend?
Adults Human
SoulPancake hits the streets to see what happens when two strangers sit in a ball pit... and talk about life's big questions.
Emotional baby! Too cute!
Adults Human
She was only ten months old when this video was taken, her reaction is priceless !
Could Your Brain Be Hacked?
Adults Human
Could technology be used to control your brain?
Can You Trust Your Eyes?
Adults Human
How do you know what you're seeing is real? These Illusions bring about the truth!
Weird Facts About How You See
Adults Human
You're doing it right now. It's time to learn something about it.
How Old Are Your Ears?
Adults Human
How high can you hear? Take this 'test' to see how old your ears are!
Dog imitates baby
Adults Human
Every time the baby makes a sounds the dog makes a sound