Topic: body

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The Science of Hearing

The ability to recognize sounds and identify their location is possible thanks to the auditory system. That’s comprised of two main parts: the ear, and the brain. The ear’s task is to convert sound energy into neural ...

Kids Meet a Person With Cerebral Palsy

While Cerebral Palsy (pronounced seh-ree-brel pawl-zee) is a blanket term commonly referred to as “CP” and described by loss or impairment of motor function, Cerebral Palsy is actually caused by brain damage. The brai...

Camels vs. Cactus: Eating a prickly pear cactus with 6-inch needles

There's something about the prickly pear cactus that these camels like. And they like it enough to brave the six-inch needles on the pads or cladodes. Watch them eat in this video from Camel and Friends, a YouTube cha...

What is dust made of?

Less than a tenth the size of an ant, a dust mite’s whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses, but from our perspective, the tiny specks of br...

What causes constipation?

Visiting the bathroom is part of the daily human experience. But occasionally, constipation, a condition that causes a backup in your digestive system, strikes. In some especially uncomfortable cases, the food you eat...

Calaya gives birth to baby gorilla Moke at The National Zoo

"For the first time in nine years, primate staff at the Smithsonian’s National Zoo and Conservation Biology Institute are celebrating the birth of a male western lowland gorilla. He was born at 6:25 p.m. April 15 and ...

Stems, a bittersweet celebration of stop motion puppetry

Building with parts of plants, leftover technologies, and mechanical tidbits, stop-motion animator Ainslie Henderson creates unique puppets that take on a life of their own in his work. This video short, Stems, is a b...

What causes body odor?

Most of us don’t need more than one whiff to identify that generally unpleasant, characteristic smell we call body odor. But it’s a surprisingly complex phenomenon, influenced by our genetic makeup, age, diet, and hyg...

Building a prosthetic arm with parts from a LEGO Technic Air Race Jet

David Aguilar has built with LEGO since he was a kid. At nine years old, he built a prosthetic LEGO arm to augment his underdeveloped right arm, but the LEGO pieces weren't strong enough to meet the needs of his desig...

The Science of Skin

Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square metres of ground....

L’orchestre d’hibernation animaux and how animals hibernate

A flute playing wood frog who freezes. A bassoon blowing painted turtle who (ahem) breathes through its butt. A trumpet blasting common poorwill who falls asleep anywhere, anytime. A harp plucking mosquito who goes in...

How does your immune system work?

The immune system is a vast network of cells, tissues, and organs that coordinate your body’s defenses against any threats to your health. Without it, you’d be exposed to billions of bacteria, viruses, and toxins that...

Why Do These Monkeys Have Such Outrageous Noses?

Though they might look unusual to humans, proboscis monkeys are well-adapted to their tree-dwelling life in the mangrove swamps of Borneo. Their large fleshy noses are thought to create a resonating chamber for their ...

How your digestive system works

Across the planet, humans eat on average between 1 and 2.7 kilograms of food a day, and every last scrap makes its way through the digestive system. Comprised of ten organs covering nine meters, this is one of the mos...

How the Animal Kingdom Sleeps & How Animals See the World – Animalism

Sleep is universal in the animal kingdom, but each species slumbers in a different — and often mysterious — way. Some animals snooze with half their brain, while others only sleep for two hours a day (without even suf...

How does your body know you’re full?

Hunger claws at your belly. It tugs at your intestines, which begin to writhe, aching to be fed. Being hungry generates a powerful and often unpleasant physical sensation that’s almost impossible to ignore. After you’...

A LEGO lawn mower man endlessly cuts the grass

A LEGO man mows his LEGO lawn, endlessly pushing a LEGO lawn mower. This kinetic sculpture was created by Jason Allemann, aka JK Brickworks, and can be powered by hand crank or motor. The illusion of grass-cutting...

Fred Harwin hand paints highly detailed prosthetic eyes

Portland, Oregon-based ocularist Fred Harwin makes beautifully detailed artificial eyes, an occupation that requires both medical and illustrative expertise. In this video from Oregon Public Broadcasting, Harwin share...

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