Oxygen's surprisingly complex journey through your body - Enda Butler
Adults Biology Human ScienceOxygen 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.
Thin underwater cables hold the internet. See a map of them all.
Adults Internet Culture Technology WorldYour 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 TechnologyOur 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 happens when you bring meditation to public schools
Adults Education SpiritualityClassrooms all over the country are trying something new: sitting and breathing.
GoPro Karma: Desert Canyons with Dad
Adults Family FilmJoin 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 ScienceThere'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 NeuroscienceMother'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?
Using GPS to Get Around Is Making Us Dumber
Adults Human Science TechnologyGPS 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 TechnologyOne 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 TechnologyNew research shows sound waves can manipulate the accelerometer in your phone; what implications does this have for data security?
Graphene Could Solve the World's Water Crisis
Adults Future Nature TechnologyTurning 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 HealthScientists 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 NatureSloths 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 TechnologyAtlanta'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 PsychologyIt'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 ScienceWe'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...