How Does Birth Control Work?
AdultsEducationHumanTechnology...There are huge varieties of birth control methods because there are lots of different ways to disrupt the process of sperm-egg fertilization.
This Black Hole Could be Bigger Than The Universe
AdultsEducationEnvironmentScience...Black holes might create infinite universes while destroying time and space.
Why US Politics Is Broken — and How To Fix It | Andrew Yang | TED
AdultsHumanPoliticsPsychology...The electoral system in the United States needs a redesign, says political reformer Andrew Yang.
Primitive Technology: Geopolymer Cement (Ash and Clay)
AdultsConstructionCreativityEducation...I have made wood ash cement before under the assumption that it was the calcium in the ash that gave it its cementitious properties...
Does Expensive Coffee actually taste better?
AdultsEducationFoodMedia...Coffee beans are one of the most confusing items to purchase, so over the past several weeks, I bought 20+ different kinds of coffee at different price points, visited a local roaster, tried roasting my own beans at home and tested a bunch of types of coffee in order to understand the flavor and price differences of coffee beans.
You have no free will at all | Stanford professor Robert Sapolsky
AdultsBiologyHumanPsychology...How your biology and environment make your decisions for you, according to Dr. Robert Sapolsky.
How to increase your happiness
AdultsHealthHumanPsychology...Dig into the benefits of practicing gratitude in your everyday life, and discover how being thankful can impact your happiness.
How the US Is Destroying Young People’s Future
AdultsHumanPoliticsProductivity...In a scorching talk, marketing professor and podcaster Scott Galloway dissects the data showing that, by many measures, young people in the US are worse off financially than ever before.