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Hackers Can Now Break Into Your Phone Using Music

AdultsMusicSoftware EngineeringTechnology...
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

AdultsHealthHumanScience...
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

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 HealthScience
Scientists 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 Unexpected Things Winter Does To Your Body

AdultsBiologyHumanNature...
Everyone suffers a little in the winter, be it human or animal, but how does cold climate actually change your body?

The science is in: Exercise isn't the best way to lose weight

AdultsHealthSportsFood...
Why working out is great for health, but not for weight loss, explained in five minutes.

Why Isn't Our Hair Naturally Blue?

AdultsBiologyHumanScience
Human hair comes in a variety of colors; including brown, blonde, and black. Why doesn't it grow blue or green?

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.

The Science Of Racism

AdultsScienceSocietyBiology...
Why are some people racist, but others are not?

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

AdultsBiologyNeuroscienceScience
Scientists have figured out how our brains process thoughts and the explanation will blow your mind.

The World's Deadliest Venom Could Save Your Life

AdultsAnimalsHealthNature...
Some animals produce venom that is lethal to both their prey and to humans, but scientists are finding ways to use these compounds as medicine.

Destroying Cancer Using Your Own Genetically Modified Cells

AdultsGeneticsHealthScience...
Scientists are taking cancer patients' immune cells and engineering them to fight cancer. How does it work?

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.