42: The Answer to Almost Everything
Season 1, episode 16: What is the secret of light?. Playback is hosted by an external player.
Episodes
- Season 1, episode 1Can we dig our way through the Earth?
- Season 1, episode 2Could We Live on the Moon?
- Season 1, episode 3Should we use lotteries instead of elections?
- Season 1, episode 4How Much Does Life Weigh?
- Season 1, episode 5Will we move onto the water?
- Season 1, episode 6Can Algorithms Make Us Healthy?
- Season 1, episode 7What if there were no mucus?
- Season 1, episode 8How do we solve the nuclear waste puzzle?
- Season 1, episode 9What if Fear Didn't Exist?
- Season 1, episode 10What if the ice disappeared?
- Season 1, episode 11Do We All hear the Same Thing?
- Season 1, episode 12Are we too pessimistic?
- Season 1, episode 13Does the Perfect Song Exist?
- Season 1, episode 14Are we alone in space?
- Season 1, episode 15Why Do We Eat What We Eat?
- Season 1, episode 16What is the secret of light?
- Season 1, episode 17Can we save the trees?
- Season 1, episode 18What if dust didn't exist?
- Season 1, episode 19Geoengineering: Earth's Last Resort
- Season 1, episode 20Could Algae Save the Planet?
- Season 1, episode 21Will Messenger RNA Save Us From Cancer?
- Season 1, episode 22Will We Stop Flying?
- Season 1, episode 23Will We Like Robots?
- Season 1, episode 24The Purpose of Parasites
- Season 1, episode 25Could We Sleep Less?
- Season 1, episode 26Are Cryptocurrencies the Future?
- Season 1, episode 27Do We Live in a Black Hole?
- Season 1, episode 28The Power of Dreams
- Season 1, episode 29Where do people migrate to?
- Season 1, episode 30What Do Animals Talk About?
- Season 1, episode 31Are we getting dumber?
- Season 1, episode 32Do Computers Have Biases?
- Season 1, episode 33How can everyone be fed?
- Season 1, episode 34Are We Doing More Drugs?
- Season 1, episode 35Are We Ready for Mars?
- Season 1, episode 36Can we glimpse the afterlife?
- Season 1, episode 37Could we become immortal?
- Season 1, episode 38Could We Live Without Agriculture?
- Season 1, episode 39How dangerous is space weather?
- Season 1, episode 40Will we travel to Mars?
- Season 1, episode 41Can We Create Money from Nothing?
- Season 1, episode 42How do we end wars?
- Season 1, episode 43Is Space Being Stolen From Us?
- Season 1, episode 44What Power Do Thoughts Have?
- Season 1, episode 45Can We Trust Ourselves?
- Season 1, episode 46Are we more intelligent in swarms?
- Season 1, episode 47The Search for a Universal Theory
- Season 1, episode 48Can we turn crap into gold?
- Season 1, episode 49Are You Psychopathic?
- Season 1, episode 50How does a wave become rogue?
- Season 1, episode 51Do We Need Economic Growth?
- Season 1, episode 52Are we gambling away our lives?
- Season 1, episode 53Why do we have limits?
- Season 1, episode 54Where to Find Perfect Energy?
- Season 1, episode 55What if sharks disappeared?
- Season 1, episode 56Are Animals Self-Aware?
- Season 1, episode 57Why do We Fall in Love?
- Season 1, episode 58What if nature had a price?
- Season 1, episode 59Can we copy our blood?
- Season 1, episode 60Why do we hate?
- Season 1, episode 61Could We Bring Back the Wooly Mammoth?
- Season 1, episode 62Can seals go to court?
- Season 1, episode 63Do colors manipulate us?
- Season 1, episode 64Will there be a new 'human species'?
- Season 1, episode 65Is There a Male Fertility Crisis?
- Season 1, episode 66Can Cities Save the World?
- Season 1, episode 67When the Heavens Rain Down
- Season 1, episode 68Do Fungi Rule Us?
- Season 1, episode 69The A***hole Effect
- Season 1, episode 70How It All Ends
- Season 1, episode 71When Will the World End?
- Season 1, episode 72How to Travel Through Time?
- Season 1, episode 73Mind Reading: A Reality?
- Season 1, episode 74Surviving Our Polluted Planet
- Season 1, episode 75The Chaos of Chance
- Season 1, episode 76Who Owns the Sea?
- Season 1, episode 77Do Animals Appreciate Beauty?
- Season 1, episode 78Will a new wind soon blow?
- Season 1, episode 79Are we going to disappear beneath the waves?
- Season 1, episode 80Are We All Bisexual?
- Season 1, episode 81The Advent of Turbo-Evolution
- Season 1, episode 82Why do we lose our memory?
- Season 1, episode 83Humanity's True Nature
- Season 1, episode 84Can We Live Without Electricity?
- Season 1, episode 85What Happens When the Glaciers Disappear?
- Season 1, episode 86Could We Reach the Stars?
- Season 1, episode 87Is Lying Good For Us?
- Season 1, episode 88Will we one day be cryogenically frozen?
- Season 1, episode 89Will we run out of sand?
- Season 1, episode 90What's So Funny?
- Season 1, episode 91The Origin of Life
- Season 1, episode 92Does Punishment Work?
- Season 1, episode 93What Are Our Imaginations For?
- Season 1, episode 94Can We Trick Our Genes?
- Season 1, episode 95Amasia: The Supercontinent of the Future
- Season 1, episode 96Do Dogs Really Love Us?
- Season 1, episode 97Do We Need Corruption?
- Season 1, episode 98Are Animals Cleverer than Us?
- Season 1, episode 99Are Billionaires a Problem?
- Season 1, episode 100How strongly does our mother tongue shape us?
- Season 1, episode 101Do We Live in a Multiverse?
- Season 1, episode 102Does History Repeat Itself?
- Season 1, episode 103Are there too many of us on Earth?
- Season 1, episode 104Is stress good for us?
- Season 1, episode 105Do Disasters Make Us Better?
- Season 1, episode 106Is the Metaverse Real?
- Season 1, episode 107Do We All Have a Doppelganger?
- Season 1, episode 108Could We Programme Evoluton?
- Season 1, episode 109Is There an Upside to Climate Change?
- Season 1, episode 110Do We Need More Utopias?
- Season 1, episode 111Can we control clouds?
- Season 1, episode 112Does Sugar Make Us Stupid?
- Season 1, episode 113What if the poles reversed again?
- Season 1, episode 114What power do smells have?
- Season 1, episode 115Can We Shrink the Economy?
- Season 1, episode 116How Do Plants Live?
- Season 1, episode 117How to Become Popular
- Season 1, episode 118Do We Need to Have Power?
- Season 1, episode 119Should Humans Be Smaller?
- Season 1, episode 120Is AI Out of Control?
- Season 1, episode 121Are Invasive Species Always a Problem?
- Season 1, episode 122Would We Be Happier Without Happiness?
- Season 1, episode 123Why Do We Cry?
- Season 1, episode 124Could Sea Currents Change?
- Season 1, episode 125Could Matriarchy Be the Solution?
- Season 1, episode 126Are Aliens Like Us?
- Season 1, episode 127Is Pain Necessary?
- Season 1, episode 128Do Animals Have Better Societies?
- Season 1, episode 129How Powerful are Maps?
- Season 1, episode 130Does Quantum Physics Change Our Reality?
- Season 1, episode 131Why Do We Have Less Sex?
- Season 1, episode 132Has Slavery Made Us Racist?
- Season 1, episode 133Why Is Housing So Expensive?
- Season 1, episode 134Can We Make Friends with Our Enemies?
- Season 1, episode 135Can We Replace Pollination?
- Season 1, episode 136Are We Taking Enough Risks?
- Season 1, episode 137Who Really Were Our Ancestors?
- Season 1, episode 138Is a World Without Violence Possible?
- Season 1, episode 139Can We Remember Precisely?
- Season 1, episode 140What Holds the Universe Together?
- Season 1, episode 141Do We Need God?
- Season 1, episode 142What Protests Work?
- Season 1, episode 143How do Children Function?
- Season 1, episode 144Will We Grieve Differently in Future?
- Season 1, episode 145Do We Need Weapons for Peace?
- Season 1, episode 146What Should We Actually Eat?
- Season 1, episode 147Are We Ready for Aliens?
- Season 1, episode 148How Important is Our Microbiome?
- Season 1, episode 149Why Is Wealth So Unfairly Distributed?
- Season 1, episode 150What Makes Us Depressed?
- Season 1, episode 151Does the Perfect Code Exist?
- Season 1, episode 152Are We Ready for World Government?
- Season 1, episode 153Are We Wasting Period Blood?
- Season 1, episode 154Can We Feel Time?
- Season 1, episode 155How Does Water Create Life?
- Season 1, episode 156Are Cyborgs the Future?
- Season 1, episode 157Can We Save Truth?
- Season 1, episode 158Can We Cure Addictions?
- Season 1, episode 159Are We Too Curious?
- Season 1, episode 160What Did Dinosaurs Really Look Like?
- Season 1, episode 161Can We Outwit Viruses?
- Season 1, episode 162Where Does Madness Begin?
- Season 1, episode 163Should We Be Bored More Often?
- Season 1, episode 164How Powerful is Disinformation?
- Season 1, episode 165Why Do Civilisations Fall?
- Season 1, episode 166Should We Argue More?
- Season 1, episode 167How Mathematic is the Universe?
- Season 1, episode 168Is The World Better Than We Think?
- Season 1, episode 169How Smart Are the Animals We Eat
- Season 1, episode 170Does Failure Help Us Succeed?
- Season 1, episode 171Was Stone-Age Man Dumber Than Us?
- Season 1, episode 172The Age of Fire
- Season 1, episode 173Why Does Music Move Us?
- Season 1, episode 174Optimisation: Is It Making Us Mad?
- Season 1, episode 175Is a Superbug Pandemic Coming?
- Season 1, episode 176Can Humans Hibernate?
- Season 1, episode 177Does Society Need Alcohol?
- Season 1, episode 178...We Make Free Decisions?
- Season 1, episode 179What was there before the Big Bang?
- Season 1, episode 180How Powerful Are Images?
- Season 1, episode 181How Does the Female Orgasm Work?
- Season 1, episode 182Is Space Debris Dangerous for Earth?
- Season 1, episode 183Can Our Brains Still Concentrate?
- Season 1, episode 184Why Do We Love Horror?
- Season 1, episode 185Does Planet Nine Really Exist?
- Season 1, episode 186Are We An Evolutionary Superspecies?
- Season 1, episode 187Are Wasps Game Changers of Evolution?
- Season 1, episode 188Why do we sing?
- Season 1, episode 189How monogamous are humans?
- Season 1, episode 190Why Do We Love Gold?
- Season 1, episode 191Do Emotions Control the Markets?
- Season 1, episode 192What if life were mirrored?
- Season 1, episode 193Do we need the alpha male?
- Season 1, episode 194Black Holes: A Future Energy Source?
- Season 1, episode 195Is Brain Washing Possible?
- Season 1, episode 196Why Are We So Competitive?
- Season 1, episode 197Do We Need Siblings?
- Season 1, episode 198Has Globalisation Failed?
- Season 1, episode 199How does trash change the world?
- Season 1, episode 200Is vacation really relaxing?
- Season 1, episode 201Can we change?
- Season 1, episode 202Is there another Earth in the universe?
- Season 1, episode 203Can AI Feel Us?
- Season 1, episode 204Does a Trauma Lie Dormant in Everyone?
- Season 1, episode 205What Lies Behind UFOs?
- Season 1, episode 206Can states go into debt indefinitely?
- Season 1, episode 207Does scrolling make teens stupid?
- Season 1, episode 208Can We Live Without Work?
- Season 1, episode 209Is there a female fertility crisis?
- Season 1, episode 210Is Loneliness Contagious?
- Season 1, episode 211How Do You Become a Genius?
- Season 1, episode 212Can We Stop Mass Extinction?
- Season 1, episode 213Can We Control Our Hormones?
- Season 1, episode 214Where Did the Antimatter Go?
- Season 1, episode 215Are Political Parties to Blame for Everything?
- Season 1, episode 216Do Ready Meals Make Us Ill?
- Season 1, episode 217Who killed Venus?
- Season 1, episode 218Episode 218
- Season 1, episode 219Episode 219
- Season 1, episode 220Episode 220
- Season 1, episode 221Episode 221
- Season 1, episode 222Episode 222
- Season 1, episode 223Episode 223