How did teeth evolve? - Peter S. Ungar
AdultsBiologyHealthHumanScienceEvolution... You may take them for granted, but your teeth are a marvel. They break up all your food over the course of your life, while being strong enough to withstand breakage themselves. How do they do it?
Why Alien Life Would be our Doom - The Great Filter
AdultsScienceSpaceTravelFuture... Finding alien life on a distant planet would be amazing news - or would it? If we are not the only intelligent life in the universe, this probably means our days are numbered and doom is certain.
How to Make an Elephant Explode with Science - The Size of Life 2
AdultsAnimalsGeneticsScienceBiologyExperiments... Life on this planet is based on cells. Cells do vary in size. But they are pretty similar in their dimensions across all species. A blue whale doesn't have bigger cells than a hummingbird, just a lot more of them.
Could Lab-Grown Meat Make Eating Human O.K.? (Part 2 of 3)
AdultsFoodIndustryScience Lab grown meat has been making headlines recently, but is it actually a better alternative to the traditional meat industry?
How does your immune system work? - Emma Bryce
AdultsBiologyHealthScience The immune system is a vast network of cells, tissues, and organs that coordinate your body's defenses against any threats to your health. Without it, you'd be exposed to billions of bacteria, viruses, and toxins that could make something as minor as a paper cut or a seasonal cold fatal. So how does it work? Emma Bryce takes you inside the body to find out.
How Airlines Price Flights
AdultsEconomyIndustryTravelScience... Airline ticket pricing probably seems like a crapshoot. The numbers change seemingly arbitrarily every week, day, or hour, but there is some real science behind these prices.
You Think You Know What Meat Is... But You Have No Idea (Part 1 of 3)
AdultsFoodScienceHistory Eating meat has been part of the human identity for 2.5 million years, but according to science, what exactly is meat?
The Truth About the Titanic Has Been Revealed
AdultsHistoryTransportationTravelScience... Recent findings reveal the truth that has been buried for over one hundred years. Scientists have debunked the theory that the cause of the Titanic sinking was an iceberg.
What are mini brains? - Madeline Lancaster
AdultsBiologyHumanScience Shielded by our thick skulls and swaddled in layers of protective tissue, the human brain is extremely difficult to observe in action. Luckily, scientists can use brain organoids - pencil eraser-sized masses of cells that function like human brains but aren't part of an organism - to look closer. How do they do it? And is it ethical? Madeline Lancaster shares how to make a brain in a lab.
Where does all the snot come from? - James May's Q&A (Ep 3) - Head Squeeze
AdultsHealthHumanScience James May tells us exactly where that green snot in our nostrils comes from. He also delves into how mucus helps prevent harmful foreign objects from entering our bodies.
Why Is Blue So Rare In Nature?
AdultsAnimalsEcologyNatureScienceBiology... Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. And the ones that do make blue? They make it in some very strange and special ways compared to other colors. In this video, we'll look at some very cool butterflies to help us learn how living things make blue, and why this beautiful hue is so rare in nature.
Emergence - How Stupid Things Become Smart Together
AdultsAnimalsNatureSciencePhilosophy... How can many stupid things combine to form smart things? How can proteins become living cells? How become lots of ants a colony? What is emergence?
Where Do Our Drugs Come From?
AdultsAnimalsHealthHumanScience... The incredible chemical weapon-making abilities of fungi, bacteria, and plants have created a diverse array of compounds that are useful to humans.
The Napkin Ring Problem
AdultsMathScience Do you ever come across a math problem that you know is right but no matter how hard you try, you can't wrap your mind around it?
Why do animals form swarms?
AdultsAnimalsNatureScience When many individual organisms come together and move as one entity, that's a swarm. From a handful of birds to billions of insects, swarms can be almost any size.
The Cheerios Effect
AdultsFoodScience Who knew there was so much science in a bowl of cereal?
Why Pets Have Surprisingly Small Brains
AdultsAnimalsPetsScience When we domesticate an animal species, their brains shrink and they freak out less.