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Oxygen's surprisingly complex journey through your body - Enda Butler

Adults Biology Human Science
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside your body? Enda Butler tracks the surprisingly complex journey of oxygen through your body.

Are You Thinking About Breathing While You Read This? (Now You Are)

Adults Health Human Science
What really drives us to breathe? And how dangerous is it to hyperventilate and hold your breath?

Thin underwater cables hold the internet. See a map of them all.

Adults Internet Culture Technology World
Your internet isn't just underwater. It's also covered in Vaseline.

What are the challenges of nuclear power? - M. V. Ramana and Sajan Saini

Adults Global Warming Technology
Our ability to mine great amounts of energy from uranium nuclei has led some to bill nuclear power as a plentiful, utopian source of electricity. But rather than dominate the global electricity market, nuclear power has declined from a high of 18% in 1996 to 11% today. What happened to the great promise of this technology? M.V. Ramana and Sajan Saini detail the challenges of nuclear power.

What Are The Best Universities In The World?

Adults Culture Education
Ivy League schools may be famous, but none of them make it in the top three. So what are the world's best universities?

What happens when you bring meditation to public schools

Adults Education Spirituality
Classrooms all over the country are trying something new: sitting and breathing.

GoPro Karma: Desert Canyons with Dad

Adults Family Film
Join Dorothy and her Dad Garrett as they adventure to the Great American Southwest for a day of exploring some of Earth's most majestic desert landscapes. Whether they're capturing beautiful aerials with Karma, or running through the canyons with Karma Grip, smooth cinematic shots have never been this easy.

What is entropy? - Jeff Phillips

Adults Physics Science
There's a concept that's crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads in coffee, why air leaks out of a punctured tire. It's entropy, and it's notoriously difficult to wrap our heads around. Jeff Phillips gives a crash course on entropy.

Your Brain Changes all the time, but Being a Mom Changes It Forever

Adults Family Human Neuroscience
Mother's bodies go through tons of changes before and after giving birth, but so do their brains! What really makes a mom's brain different?

What Is Vocal Fry & Is It Bad For You?

Adults Science Work
Is vocal fry bad for your voice? Does it hurt your chances of getting a job?

Using GPS to Get Around Is Making Us Dumber

Adults Human Science Technology
GPS services have made getting from point A to point B a lot easier, but what effects does this have on our brains?

Meet the Man Who Strapped Himself to a Rocket, For Science

Adults Health Physics Technology
One man's quest to test the human limits of gravity on the human body.

Hackers Can Now Break Into Your Phone Using Music

Adults Music Software Engineering Technology
New research shows sound waves can manipulate the accelerometer in your phone; what implications does this have for data security?

How You Can Survive With Only One-Third of Your Blood

Adults Health Human Science
How much blood can a human lose without dying, and how does the body replenish that blood once it's gone?

Graphene Could Solve the World's Water Crisis

Adults Future Nature Technology
Turning saltwater into clean drinking water is an expensive, energy-intensive process, but could the wonder material graphene make it more accessible?

Why Some Old People Act Half Their Age: It's in the Brain

Adults Human Mental Health
Scientists are studying people over 80 whose memories are just as good as someone in their 50s. What sets these 'SuperAgers' apart?

Why are sloths so slow? - Kenny Coogan

Adults Animals Nature
Sloths spend most of their time eating, resting, or sleeping; in fact, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and behavioural adaptations that allow sloths to be so slow.

Why Atlanta's Mercedes-Benz Stadium Matters: Future MEGAPROJECTS

Adults Construction Sports Technology
Atlanta's Mercedes-Benz Stadium is the most expensive stadium ever built. The $1.6 billion price tag was driven by a spectacular retractable roof design, an LED video board that is by far the world's largest, and the pursuit of LEED platinum certification.

Why should you read Tolstoy's "War and Peace"? - Brendan Pelsue

Adults Books Creativity
"War and Peace." A tome. A slog. The sort of book you shouldn't read in bed because if you fall asleep it could give you a concussion. Right? Only partly. "War and Peace" is a long book, sure, but it's also a thrilling examination of history populated with some of the deepest, most realistic characters you'll find anywhere. Brendan Pelsue shares everything you need to know to read this classic book.

Can you solve the pirate riddle? - Alex Gendler

Adults Math Psychology
It's a good day to be a pirate. Amaro and his four mateys - Bart, Charlotte, Daniel, and Eliza have struck gold - a chest with 100 coins. But now, they must divvy up the booty according to the pirate code - and pirate code is notoriously complicated. Can you help come up with the distribution that Amaro should propose to make sure he lives to tell the tale? Alex Gendler shows how.

9 Signs You're Not Drinking Enough Water

Adults Health Science
We've heard it. We get it. We know! Drink more water! But it's not just overplayed advice from fitness magazines and your mother. When we get dehydrated our bodies send out clear warning signs that we need to check our fluid levels. If that happens, it's important to do everything to get your hydration level back on track. Here are some of the symptoms associated with not drinking enough water...