Enable JavaScript to visit this website.

Biology Explained

6 Views of a Neuron by Golgi and Cajal

6 Views of a Neuron by Golgi and Cajal

6 Views of a Neuron by Golgi and Cajal

Camillo Golgi and Santiago Ramón y Cajal stain cells and uncover the intricate secrets of the nervous system.

 Checking Our Gut Microorganisms’ Disease-Fighting Might

Checking Our Gut Microorganisms’ Disease-Fighting Might

Checking Our Gut Microorganisms’ Disease...

New gene sequencing tech is helping researchers harness the bacteria, viruses, and fungi that live in our bodies to fight disease.

Bodily Functions Explained: The Cough

Bodily Functions Explained: The Cough

Bodily Functions Explained: The Cough

It’s an everyday occurrence. A little tickle in your throat, a wayward speck of pollen, perhaps — or a bit of water traveling down the wrong pipe — and then a full-on chain reaction in your body.  ...

The Long And Short Of Aging

The Long And Short Of Aging

The Long And Short Of Aging

The length of our telomeres, the caps on the ends of chromosomes, can predict how well we’re aging.

What a Porcupine Quill Can Teach Us About Making Better Needles

What a Porcupine Quill Can Teach Us About Making Better Needles

What a Porcupine Quill Can Teach Us About...

Taking a design cue from the animal world, mimicking a porcupine quill might help make a more effective—and less painful—needle.

Hungry, Hungry Macrophages (video)

Hungry, Hungry Macrophages (video)

Hungry, Hungry Macrophages (video)

Macrophages, the human immune system’s horde of cells that clear the body’s detritus by eating it, may be induced to gorge — in the name of helping combat Alzheimer’s and other diseases. ...

Your Blood Up Close: 5 Vein’s-Eye Views

Your Blood Up Close: 5 Vein’s-Eye Views

Your Blood Up Close: 5 Vein’s-Eye Views

Get up close and personal with blood — the key to your body’s oxygen transport and immunity — with five peeks inside your veins, featuring molecules seen at thousands of times their actual size.

Flashback: Spanish Flu Mask

Flashback: Spanish Flu Mask

Flashback: Spanish Flu Mask

At the close of WWI, an estimated 50 million people died from the Spanish flu. Masks were the uninfected’s main line of defense.

What We Can Learn from a Giraffe’s Neck

What We Can Learn from a Giraffe’s Neck

What We Can Learn from a Giraffe’s Neck

With a distance of 6 feet between heart and brain, giraffes should seemingly suffer the symptoms of hypertension as a result of their blood’s relentless uphill climb. They don’t.

Get the Latest Updates