How the heart actually pumps blood
AdultsBiologyHealthHumanScienceFor most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how? Edmond Hui investigates how it all works by taking a closer look at the heart's highly efficient ventricle system.
How fast & how far do bullets go?
AdultsPhysicsTechnologyScienceJames May imparts his wisdom on all things bullets.
Solar eclipse: 2015 - Stargazing Live
AdultsScienceSpaceAstronomyEntertainmentMiss The Solar Eclipse This Year? Watch This Incredible Footage Of It!
The Most Important Science Images Ever
AdultsPhotographyScienceCultureOne picture can change the world.
Dark matter: The matter we can't see
AdultsPhysicsSpaceScienceAstronomyThe Greeks had a simple and elegant formula for the universe: just earth, fire, wind, and water. Turns out there's more to it than that -- a lot more. Visible matter (and that goes beyond the four Greek elements) comprises only 4% of the universe. CERN scientist James Gillies tells us what accounts for the remaining 96% (dark matter and dark energy) and how we might go about detecting it.
Experiment Shows That All Of Us Are Naturally Altruistic
AdultsHumanPhilosophySocietyExperimentsPsychologySciencePut to work at the Max Planck Institute for Evolutionary Anthropology in Germany, Alan Alda finds out how children will help, and like it, while chimps are less inclined to offer enthusiastic assistance.
What Colour Is This Dress?
AdultsInternet CultureScienceSocial MediaHumanSolved with science for the sake of the human race!!
How optical illusions trick your brain
AdultsVisual DesignSciencePsychologyHumanOptical illusions are images that seem to trick our minds into seeing something different from what they actually are. But how do they work? Nathan S. Jacobs walks us through a few common optical illusions and explains what these tricks of the eye can tell us about how our brains assemble visual information into the 3D world we see around us.
Productivity Future Vision
AdultsFutureProductivityTechnologyScienceHow could emerging technology transform the way get things done 5-10 years in the future? Watch Kat, a young independent marine biologist, and Lola, a corporate executive, work together in a highly interconnected and information rich future.
The Science of Heartbreak
AdultsRelationshipsSciencePsychologyHealthWhy is a 'broken heart' so painful?
If superpowers were real: Super speed
AdultsHumanPhysicsScienceEntertainmentWhat if super speed wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super speedy? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere mortals.
Why Vaccines Work
AdultsHealthHistoryScienceSocietyEducationAs more and more parents are choosing not to vaccinate their children or are vaccinating them later, diseases like measles are making a comeback. Are vaccines safe? How do they work? This week we look at why are people afraid of something that has saved so many lives, and look at the history and science of vaccines.