Why are there so many types of apples?
                        Adults                                Science
                                                Have you ever walked into a grocery store and wondered where all the varieties of apples came from?
                     
                 
        
                
                    
                    
                        How To (Literally) Save Earth
                        Adults                                Science
                                                Farming erodes soil 50 times faster than it forms. We can change that, but will we?
                     
                 
        
                    
                    
                        What If All The Ice Melted?
                        Adults                                Science
                                                What If All The Ice Melted On Earth? ft. Bill Nye
                     
                 
        
                    
                    
                        The Best and Worst Prediction in Science
                        Adults                                Science
                                                A guy who just got back from Burning Man struggles mightily to explain what Burning Man was like to a loser who's never been to Burning Man.
                     
                 
        
                
                    
                    
                        How Will You Die?
                        Adults                                Science
                                                Science, statistics and lifestyle can help predict how you will die!
                     
                 
        
                    
                    
                        How smart are orangutans?
                        Adults                                Science
                                                Along with humans, orangutans belong to the Hominidae family tree, which stretches back 14 million years.
                     
                 
        
                
                    
                    
                        Why Are Teens So Moody?
                        Adults                                Science
                                                A look inside the teenage brain!
                     
                 
        
                    
                    
                        Incredible footage of hermit crab changing shells
                        Adults                                Science
                                                In this exciting excerpt from the third season of Jonathan Bird's Blue World, Jonathan films a hermit crab changing shells and then also transferring its anemones from one shell to the other.
                     
                 
        
                    
                    
                        How Do Animals See in the Dark?
                        Adults                                Science
                                                To human eyes, the world at night is a formless canvas of grey. Many nocturnal animals, on the other hand, experience a rich and varied world, bursting with details, shapes, and colors.
                     
                 
        
                    
                    
                        The Twins Paradox Primer
                        Adults                                Science
                                                How can time be slower and faster at the same time?
                     
                 
        
                
                    
                    
                        Enter the Deadliest Garden in the World
                        Adults                                Science
                                                Locked behind black steel doors in Northumberland, England, the Poison Garden at Alnwick Castle grows around 100 infamous killers.
                     
                 
        
                    
                    
                        Interactive Dynamic Video
                        Adults                                Science
                                                Image-Space Modal Bases for Plausible Manipulation of Objects in Video" ACM Transactions on Graphics (SIGGRAPH Asia 2015) by Abe Davis, Justin Chen, Fredo Durand
                     
                 
        
                
                    
                    
                        What is the biggest single-celled organism?
                        Adults                                Science
                                                The elephant is a creature of epic proportions - and yet, it owes its enormity to more than 1,000 trillion microscopic cells.
                     
                 
        
                    
                    
                        How a single-celled organism almost wiped out life on Earth
                        Adults                                Science
                                                There's an organism that changed the world. It caused the first mass extinction in Earth's history
                     
                 
        
                    
                    
                        Is Most Published Research Wrong?
                        Adults                                Science
                                                Mounting evidence suggests a lot of published research is false.
                     
                 
        
                    
                    
                        Genetic Engineering Will Change Everything Forever
                        Adults                                Science
                                                Designer babies, the end of diseases, genetically modified humans that never age. Outrageous things that used to be science fiction are suddenly becoming reality. The only thing we know for sure is that things will change irreversibly.
                     
                 
        
                
                    
                    
                        Real life sunken cities
                        Adults                                Science
                                                Though people are most familiar with Plato's fictional Atlantis, many real underwater cities actually exist. Peter Campbell explains how sunken cities are studied by scientists to help us understand the lives of our ancestors, the dynamic nature of our planet, and the impact of each on the other.
                     
                 
        
                    
                    
                        What Is Life? Is Death Real?
                        Adults                                Science
                                                So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest people on earth have no idea where to draw the line between living and dead things.
                     
                 
        
                
                    
                    
                        Which sunscreen should you choose?
                        Adults                                Science
                                                Sunscreen comes in many forms, each with its own impacts on your body and the environment. With so many options, how do you choose which sunscreen is best for you?
                     
                 
        
                    
                    
                        One Year on Earth
                        Adults                                Science
                                                On July 20, 2015, NASA released to the world the first image of the sunlit side of Earth captured by the space agency's EPIC camera on NOAA's DSCOVR satellite. The camera has now recorded a full year of life on Earth from its orbit at Lagrange point 1, approximately 1 million miles from Earth, where it is balanced between the gravity of our home planet and the sun.