How do fish make electricity? - Eleanor Nelsen
Adults Animals Biology NatureNearly 350 species of fish have specialized anatomical structures that generate and detect electrical signals. Underwater, where light is scarce, electrical signals offer ways to communicate, navigate, find, and sometimes stun prey. But how do these fish produce electricity? And why? Eleanor Nelsen illuminates the science behind electric fish.
How long will human impacts last? - David Biello
Adults Global Warming Human NatureImagine aliens land on Earth a million years from now. What will these curious searchers find of us? They will find what geologists, scientists, and other experts are increasingly calling the Anthropocene, or new age of mankind. David Biello explains how the impacts that humans have made have become so pervasive, profound, and permanent that some geologists believe we merit our own epoch.
Brad and Sean Evans Make Cast-Iron Pizza | It's Alive
Adults Creativity FoodTest Kitchen manager, Brad Leone, is back for episode 19 of "It's Alive," and this time he's joined by Sean Evans, host of Hot Ones and Sean In The Wild from First We Feast. Brad teaches Sean the art of making pizza in a cast-iron skillet while being subjected to an abbreviated version of Sean's famous hot sauce challenge.
I Rescued Kittens That Almost Died
Adults Animals Art FilmJenna and her Mom live in an apartment complex, on the second floor with their two cats - Bella and Kitty. Their apartment has a little terrace attached to it, and she and her Mom, and the two cats love to hang out and watch all the activity going on in the courtyard, and sometimes in the other apartments across the way.
Harry Potter & The Prisoner of Azkaban: Why It's The Best
Adults Art FilmHarry, Ron and Hermione return as teenagers for a third term at Hogwarts School of Witchcraft and Wizardry. But Harry's fate, and that of the entire community of wizards, looks bleak when the infamous Sirius Black--convicted of abetting evil Lord Voldemort by killing 13 people with a single curse--escapes from prison.
What Are Diminutives - and Why We Like Them
Adults Language SocietyA diminutive is something you stick on the end of a word to make the thing it describes sound smaller. ie. Dog goes to Doggy. Every language has them, but some have more than others. Why are we drawn to diminutives? And why is English particularly resistant to them, compared to Spanish, for example?
How does your body know you're full? - Hilary Coller
Adults Human NeuroscienceHunger 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've reacted by gorging on your morning pancakes, you start to experience an opposing force: fullness. But how does your body actually know when you're full? Hilary Coller explains.
How Parents Get In The Way of Career Plans
Adults Education Family ParentingMost modern parents say that all they want for their kids in the world of work is that they be 'happy'. But it's often a good deal more complicated than that, and parents are frequently hard at work shaping what their kids think of as good and bad careers.
The complicated history of surfing - Scott Laderman
Adults Culture History SportsToday, surfing is a multi-billion-dollar global industry, with tens of millions of enthusiasts worldwide. For some it's a serious sport; for others, just a way to let loose. But despite its casual association with fun and sun, surfing has a richer and deeper history than many realize. Scott Laderman shares the hidden history of surfing.
History vs. Che Guevara - Alex Gendler
Adults History Politics SocietyHis face is recognized all over the world - the young medical student who became a revolutionary icon. But was Che Guevara a heroic champion of the poor, or a ruthless warlord who left a legacy of repression? Alex Gendler puts this controversial figure on trial in History vs. Che Guevara.
I Was Homeless
Adults Family Mental Health PsychologyTony and his two older sisters never got along, not ever, for as long as he can remember, and to this day he doesn't understand why. They bullied and tormented him, did and said horrible things to him whenever they could.
Andy Makes Ultra-Creamy Mashed Potatoes
Adults Creativity FoodWe're ready to declare these the fluffiest, creamiest, and easiest mashed potatoes ever. Unpeeled potatoes absorb less moisture when boiled, and the ricer will catch the skins-great news for lazy cooks everywhere.
How Emotionally Healthy Are You?
Adults Health Mental Health"One way to start assessing how badly we have been knocked by our early years - and where we might therefore need to direct most of our repair work and attention - is to identify a range of markers of emotional health and imagine how we fare in relation to them. At least four central ones suggest themselves..."
The myth of Prometheus - Iseult Gillespie
Adults Art History SpiritualityBefore the creation of humanity, the Greek gods won a great battle against a race of giants called the Titans. Most Titans were destroyed or driven to the eternal hell of Tartarus. But the Titan Prometheus, whose name means foresight, persuaded his brother Epimetheus to fight with him on the side of the Gods. Iseult Gillespie shares the myth of Prometheus.
Why do you need to get a flu shot every year? - Melvin Sanicas
Adults Health ScienceAll year long, researchers at hospitals around the world collect samples from flu patients and send them to top virology experts with one goal: to design the vaccine for the next flu season. But why do we need a new one every year? Vaccines for diseases like mumps and polio offer a lifetime of protection with two shots early in life; what's so special about the flu? Melvin Sanicas explains.