Graphene Could Solve the World's Water Crisis
AdultsFutureNatureTechnology...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
AdultsHumanMental HealthScienceScientists are studying people over 80 whose memories are just as good as someone in their 50s. What sets these 'SuperAgers' apart?
9 Signs You're Not Drinking Enough Water
AdultsHealthScienceWellness...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...
Why do animals have such different lifespans? - Joao Pedro de Magalhaes
AdultsAnimalsLifeNature...For the microscopic lab worm C. elegans, life equates to just a few short weeks on Earth. The bowhead whale, on the other hand, can live over two hundred years. Why are these lifespans so different? And what does it really mean to 'age' anyway? Joao Pedro de Magalhaes explains why the pace of aging varies greatly across animals.
The three different ways mammals give birth - Kate Slabosky
AdultsAnimalsNatureBiology...All mammals share certain characteristics, like warm blood and backbones. But despite their similarities, these creatures also have many biological differences - and one of the most remarkable differences is how they give birth. Kate Slabosky details the placental, marsupial, and monotreme methods of giving birth.
Amazing Images of a Changing Earth
AdultsSpaceTechnologyWorld...Incredible before-and-after satellite images of our dynamic planet.
Why do we itch? - Emma Bryce
AdultsBiologyHumanScience...The average person experiences dozens of individual itches each day. We've all experienced the annoyance of an inconvenient itch - but have you ever pondered why we itch in the first place? Is there actually an evolutionary purpose to the itch, or is it simply there to annoy us? Emma Bryce digs deep into the skin to find out.
Illuminating the Universe: The History of Light
AdultsHistoryTechnologyScience...Beyond what we can touch, taste, smell, and hear, we experience the universe through light. But how did we come to discover light, and how did we learn light's true nature, as the fastest thing in the universe, an electromagnetic spectrum, a wave and particle capable of the most amazing things? Here is the history of light, according to physics.
The History and Future of Everything -- Time
AdultsHistoryWorldScience...Time makes sense in small pieces. But when you look at huge stretches of time, it's almost impossible to wrap your head around things. So we teamed up with the awesome blog "Wait but Why" and made this video to help you putting things in perspective with some infographics!
This Is How Your Brain Powers Your Thoughts
AdultsBiologyNeuroscienceScienceScientists have figured out how our brains process thoughts and the explanation will blow your mind.
The Beginning of Everything -- The Big Bang
AdultsHistoryPhysicsSpace...How did everything get started? Has the universe a beginning or was it here since forever? Well, evidence suggests that there was indeed a starting point to this universe we are part of right now. But how can this be? How can something come from nothing? And what about time? We don't have all the answers yet so let's talk about what we know.
Are You Alone? (In The Universe)
AdultsLifeSpacePhilosophy...Are you alone? To answer this question we have to take a look what "you" are first. What are you made of and where you stand in this universe. Are you your body? Your atoms? And how are your parts connected to the big picture?
Can you solve the virus riddle? - Lisa Winer
AdultsCreativityMathHealth...Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you're just closing up the lab when a sudden earthquake hits and breaks all the sample vials. Will you be able to destroy the virus before the vents open and unleash a deadly airborne plague? Lisa Winer shows how.
How this guy found 83 messages in bottles
AdultsCreativityGlobal WarmingScience...Clint Buffington has found 83 messages in bottles - and you could probably do it too. Vox's Zachary Crockett and Phil Edwards found out how.