| S2021E01 |
How Did a South Carolina Monkey Farm Help Defeat Polio?
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January 1, 2021
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| S2021E02 |
Why Would the Creator of Graham Crackers Be Horrified by Them Today?
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January 4, 2021
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| S2021E03 |
Do 'I Voted' Stickers Do Anything?
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January 5, 2021
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| S2021E04 |
What Did the Arecibo Radio Telescope Help Us Learn?
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January 6, 2021
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| S2021E05 |
How Do Penguins Work?
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January 7, 2021
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| S2021E06 |
How Does Damascus Steel Work?
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January 8, 2021
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| S2021E07 |
Who Was the First Person in Space?
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January 11, 2021
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| S2021E08 |
What Is Worcestershire Sauce?
|
January 12, 2021
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| S2021E09 |
What Is Populism?
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January 13, 2021
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| S2021E10 |
Does Dry January Lead to Binging in February?
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January 14, 2021
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| S2021E11 |
How Might Universal Basic Income Work?
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January 15, 2021
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| S2021E12 |
How Did Martin Luther King Influence 'Star Trek'?
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January 18, 2021
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| S2021E13 |
How Can Nasal Breathing Help Keep You Healthier?
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January 19, 2021
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| S2021E14 |
Have Inaugurations Always Involved Celebrities?
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January 20, 2021
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| S2021E15 |
What Astronomy Events Are Happening in 2021?
|
January 21, 2021
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| S2021E16 |
How Do Presidential Pardons Work?
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January 22, 2021
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| S2021E17 |
How Do Astronauts Shower in Space?
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January 25, 2021
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| S2021E18 |
How Did 'The Green Book' Work?
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January 26, 2021
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| S2021E19 |
Why Do We See Faces in Inanimate Objects?
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January 27, 2021
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| S2021E20 |
What's the Difference Between Burrata and Mozzarella?
|
January 28, 2021
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| S2021E21 |
How Often Should You Wash Your Pillow?
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January 29, 2021
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| S2021E22 |
How Do Unrelated Species Develop Similar Traits?
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February 1, 2021
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| S2021E23 |
How Did Human-Skin Shoes Feature in a Politician's Wardrobe?
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February 2, 2021
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| S2021E24 |
How Do Roadrunners Work?
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February 3, 2021
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| S2021E25 |
How Were Neanderthals Smarter Than We Think?
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February 4, 2021
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| S2021E26 |
How Does Xanthan Gum Work?
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February 5, 2021
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| S2021E27 |
Who Were the Black Loyalists of the American Revolution?
|
February 8, 2021
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| S2021E28 |
How Do Axolotls Work?
|
February 9, 2021
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| S2021E29 |
What's the Difference Between Dukes, Earls, and Other British Peers?
|
February 10, 2021
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| S2021E30 |
Does Closure Really Exist?
|
February 11, 2021
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| S2021E31 |
Should We All Be Wearing Two Face Masks?
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February 12, 2021
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| S2021E32 |
Will a Second Bump to the Head Really Cure Amnesia?
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February 15, 2021
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| S2021E33 |
Where Does the Vice President Live?
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February 16, 2021
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| S2021E34 |
How Can Pit Vipers 'See' Heat?
|
February 17, 2021
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| S2021E35 |
When Can You Claim Defamation?
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February 18, 2021
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| S2021E36 |
Can a Dripping Faucet Really Prevent Pipe Damage?
|
February 19, 2021
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| S2021E37 |
Why Do Songs Get Stuck in Your Head?
|
February 22, 2021
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| S2021E38 |
How Smart Are Dolphins?
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February 23, 2021
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| S2021E39 |
What Is the Wilhelm Scream?
|
February 24, 2021
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| S2021E40 |
What If the Earth Stopped Spinning?
|
February 25, 2021
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| S2021E41 |
How Accurate Is 'Bridgerton'?
|
February 26, 2021
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| S2021E42 |
What Does It Take to Freeze a Waterfall?
|
March 1, 2021
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| S2021E43 |
How Does Breadfruit Work?
|
March 2, 2021
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| S2021E44 |
What Happens When Plants Bloom Early?
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March 3, 2021
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| S2021E45 |
Did Women Really Burn Their Bras During Protests?
|
March 4, 2021
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| S2021E46 |
How Do Badgers Work?
|
March 5, 2021
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| S2021E47 |
Who Was Sacagawea?
|
March 8, 2021
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| S2021E48 |
Why Did Germany Have to Sacrifice Sausages to Fly Zeppelins?
|
March 9, 2021
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| S2021E49 |
How Does the Johnson & Johnson COVID-19 Vaccine Work?
|
March 10, 2021
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| S2021E50 |
Can We Tell Whether a Dinosaur Was Male or Female?
|
March 11, 2021
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| S2021E51 |
Who Invented Macaroni and Cheese?
|
March 12, 2021
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| S2021E52 |
Who Was Ada Lovelace, the Enchantress of Numbers?
|
March 15, 2021
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| S2021E53 |
What Reptiles Are Most Endangered?
|
March 16, 2021
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| S2021E54 |
How Has COVID-19 Changed How We Mourn?
|
March 17, 2021
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| S2021E55 |
The Firm vs. the Family: How Does the British Monarchy Work?
|
March 18, 2021
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| S2021E56 |
How Do Belly Buttons Work?
|
March 19, 2021
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| S2021E57 |
What Is the World's Oldest Book?
|
March 22, 2021
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| S2021E58 |
Why Was 1816 the Year With No Summer?
|
March 23, 2021
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| S2021E59 |
Why Do 17-Year Cicadas Appear Almost Every Year?
|
March 24, 2021
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| S2021E60 |
How Did Anna May Wong Fight Racism On- and Off-Screen?
|
March 25, 2021
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| S2021E61 |
When Was a Battle Fought Over Eggs?
|
March 26, 2021
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| S2021E62 |
How Did Jean Macnamara Help Vanquish Polio?
|
March 29, 2021
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| S2021E63 |
How Does Tabasco Sauce Work?
|
March 30, 2021
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| S2021E64 |
How Do Capybaras Work?
|
March 31, 2021
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| S2021E65 |
What Was the Great Moon Hoax of 1835?
|
April 1, 2021
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| S2021E66 |
Why Do Most People Have 46 Chromosomes?
|
April 2, 2021
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| S2021E67 |
How Does Budget Reconciliation Work?
|
April 5, 2021
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| S2021E68 |
Why Is Coal Ash Such a Problem?
|
April 6, 2021
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| S2021E69 |
Is It Better to Shower in the Morning or Evening?
|
April 7, 2021
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| S2021E70 |
How Do Spider Webs Work?
|
April 8, 2021
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| S2021E71 |
Did Lucille Ball Use Her Fillings to Spy?
|
April 9, 2021
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| S2021E72 |
How Is Climate Changing the French Wine Industry?
|
April 12, 2021
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| S2021E73 |
How Did Oregon Enforce a White-Only Population Until 1926?
|
April 13, 2021
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| S2021E74 |
How Can Herd Immunity Help Keep a Population Safe?
|
April 14, 2021
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| S2021E75 |
How Do Emus Work?
|
April 15, 2021
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| S2021E76 |
Why Do Ordinary People Commit Espionage?
|
April 16, 2021
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| S2021E77 |
How Do Garter Snakes Work?
|
April 19, 2021
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| S2021E78 |
What Causes the Smell After a Rain?
|
April 20, 2021
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| S2021E79 |
How Does the U.S. Secret Service Work?
|
April 21, 2021
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| S2021E80 |
Could We Ever Find Noah's Ark?
|
April 22, 2021
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| S2021E81 |
What Is 'Chutzpah'?
|
April 23, 2021
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| S2021E82 |
How Does Mesa Verde National Park Work?
|
April 26, 2021
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| S2021E83 |
How Do Whistled Languages Work?
|
April 27, 2021
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| S2021E84 |
Why Do We Talk About the First 100 Days?
|
April 28, 2021
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| S2021E85 |
How Do Astronauts Play Music in Space?
|
April 29, 2021
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| S2021E86 |
Do Koalas Smell Like Cough Drops?
|
April 30, 2021
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| S2021E87 |
Why Do Elephants Seldom Get Cancer?
|
May 3, 2021
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| S2021E88 |
Do the Beale Ciphers Contain Directions to Hidden Treasure?
|
May 5, 2021
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| S2021E89 |
Who Were Oscar, Tony and Emmy?
|
May 6, 2021
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| S2021E90 |
How Did Early Facial Prostheses Work?
|
May 7, 2021
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| S2021E91 |
Can Some Animals Be Half Male and Half Female?
|
May 10, 2021
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| S2021E92 |
How Could the World's Whitest Paint Fight Climate Change?
|
May 11, 2021
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| S2021E93 |
Was a Whaling Captain Once Buried in Rum?
|
May 12, 2021
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| S2021E94 |
Will Some Port Cities Start Banning Cruise Ships?
|
May 13, 2021
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| S2021E95 |
How Did Edgar Allan Poe Work?
|
May 14, 2021
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| S2021E96 |
How Have Asian Americans and Pacific Islanders Helped Shape Civil and Workers' Rights?
|
May 17, 2021
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| S2021E97 |
How Can Cryptocurrency Clean Up Its Act?
|
May 18, 2021
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| S2021E98 |
Do We Really Swallow Spiders in Our Sleep?
|
May 19, 2021
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| S2021E99 |
How Does Hematite Work?
|
May 20, 2021
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| S2021E100 |
How Do Humpback Whales Work?
|
May 21, 2021
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| S2021E101 |
Can You Make Weedkillers at Home?
|
May 24, 2021
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| S2021E102 |
How Did Allosaurus Work?
|
May 25, 2021
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| S2021E103 |
Why Is There a Chlorine Shortage?
|
May 26, 2021
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| S2021E104 |
Does Your Diet Really Affect Your Dreams?
|
May 27, 2021
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| S2021E105 |
How Do Jackalopes Work?
|
May 28, 2021
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| S2021E106 |
Should You Wear White Clothes to Stay Cool?
|
May 31, 2021
|
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| S2021E107 |
How Do Macaws Work?
|
June 1, 2021
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| S2021E108 |
How Does the Westminster Dog Show Work?
|
June 3, 2021
|
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| S2021E109 |
Have the Olympic Games Ever Been Canceled?
|
June 7, 2021
|
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| S2021E110 |
Why Do Seabirds Eat Plastic?
|
June 8, 2021
|
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| S2021E111 |
Are Pentagon-Confirmed UFOs a Threat to National Security?
|
June 9, 2021
|
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| S2021E112 |
How Do Plate Tectonics Work?
|
June 10, 2021
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| S2021E113 |
How Can You Stop an Opioid Overdose?
|
June 11, 2021
|
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| S2021E114 |
What Was the Tulsa Massacre?
|
June 14, 2021
|
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| S2021E115 |
How Do Lyres Work?
|
June 15, 2021
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| S2021E116 |
What Happens to Whales When They Die?
|
June 17, 2021
|
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| S2021E117 |
Is Vaccine Hesitancy a New Phenomenon?
|
June 18, 2021
|
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| S2021E118 |
How Does the Summer Solstice Work?
|
June 21, 2021
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| S2021E119 |
Why Did England and Spain Go to War Over an Ear?
|
June 22, 2021
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| S2021E120 |
What's the Deadliest Spider in the World?
|
June 23, 2021
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| S2021E121 |
How Could Lab-Grown Meat Change the Pet Food World?
|
June 24, 2021
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| S2021E122 |
What Is a Coup D'Etat, and Could It Happen In America?
|
June 25, 2021
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| S2021E123 |
Why Don't Ground Bees Sting?
|
June 30, 2021
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| S2021E124 |
How Do Muons Work?
|
July 1, 2021
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| S2021E125 |
Why Are Gasoline Prices Higher in the Summer?
|
July 2, 2021
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| S2021E126 |
Is Drought the New Normal for the Western U.S.?
|
July 5, 2021
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| S2021E127 |
Why Is Pink the World's Oldest Color?
|
July 6, 2021
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| S2021E128 |
How Do Coronavirus Variants Work?
|
July 7, 2021
|
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| S2021E129 |
What's the Difference Between Brown and Black Bears?
|
July 8, 2021
|
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| S2021E130 |
How Much Money Is There in the World?
|
July 9, 2021
|
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| S2021E131 |
Is Paul Bunyan Based on a Real Person?
|
July 12, 2021
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| S2021E132 |
What Animals Are the Deadliest in the Wild?
|
July 13, 2021
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| S2021E133 |
How Does Bastille Day Work?
|
July 14, 2021
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| S2021E134 |
Will Sharks Die If They Stop Moving?
|
July 15, 2021
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| S2021E135 |
Are Bug Zappers a Bad Idea?
|
July 16, 2021
|
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| S2021E136 |
How Bad Is America's Infrastructure?
|
July 19, 2021
|
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| S2021E137 |
How Did Earth Gain a New Ocean?
|
July 20, 2021
|
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| S2021E138 |
Why Is There a Semiconductor Shortage?
|
July 21, 2021
|
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| S2021E139 |
Why Are We So Obsessed with Owls?
|
July 22, 2021
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| S2021E140 |
How Far Can a Plane Glide Without Engines?
|
July 23, 2021
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| S2021E141 |
Why Are Pistachios Sold in Their Shells?
|
July 26, 2021
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| S2021E142 |
How Does Ransomware Work?
|
July 27, 2021
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| S2021E143 |
What Is the World's Largest Bee?
|
July 28, 2021
|
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| S2021E144 |
How Do Astronauts Sleep in Space?
|
July 29, 2021
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| S2021E145 |
How Has the U.S. Prevented Citizens from Voting?
|
July 30, 2021
|
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| S2021E146 |
How Do Box Jellyfish Work?
|
August 2, 2021
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| S2021E147 |
Why Are Airbnb, VRBO Fees Skyrocketing?
|
August 3, 2021
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| S2021E148 |
How Does Racketeering Work?
|
August 5, 2021
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| S2021E149 |
What Is an Abscessed Tooth?
|
August 6, 2021
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| S2021E150 |
How Did Two Tortoises Beat Apollo to the Moon?
|
August 9, 2021
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| S2021E151 |
What Are the Predictions for Hurricane Season 2021?
|
August 10, 2021
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| S2021E152 |
How Do Broken Bones Heal?
|
August 11, 2021
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| S2021E153 |
What Exactly Is a Blue Moon?
|
August 12, 2021
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| S2021E154 |
How Can Rivers Actually Protect Fossils?
|
August 13, 2021
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| S2021E155 |
Why Is South Florida Overrun with Green Iguanas?
|
August 16, 2021
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| S2021E156 |
How Did Bonnie and Clyde Die?
|
August 17, 2021
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| S2021E157 |
What Trees Have Been to the Moon and Back?
|
August 18, 2021
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| S2021E158 |
How Do Breakthrough Infections Work?
|
August 19, 2021
|
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| S2021E159 |
How Did Chopsticks Become Such a Popular Eating Utensil?
|
August 20, 2021
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| S2021E160 |
How Did the Battle for the 19th Amendment Work?
|
August 23, 2021
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| S2021E161 |
How Do Space Hurricanes Work?
|
August 24, 2021
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| S2021E162 |
Why Are Noncompete Agreements So Common?
|
August 26, 2021
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| S2021E163 |
What's the Difference Between Lox, Gravlax, and Nova Salmon?
|
August 27, 2021
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| S2021E164 |
Who Investigates Deaths in Antarctica?
|
August 30, 2021
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| S2021E165 |
What's at the Bottom of the Fosse Dionne Spring?
|
August 31, 2021
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| S2021E166 |
How Does Steganography Work?
|
September 1, 2021
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| S2021E167 |
How Do You Sleep When Sailing 4,000 Miles Solo?
|
September 2, 2021
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| S2021E168 |
How Do Red Squirrels Work?
|
September 3, 2021
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| S2021E169 |
Can You Get a Flu Shot If You Have an Egg Allergy?
|
September 6, 2021
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| S2021E170 |
Why Do Birds Fly Into Windows?
|
September 7, 2021
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| S2021E171 |
Why Should School Buses Go Electric?
|
September 8, 2021
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| S2021E172 |
How Does the Stratosphere Work?
|
September 9, 2021
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| S2021E173 |
What Kind of Animal Is Godzilla?
|
September 10, 2021
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| S2021E174 |
How Can We Help Prevent Suicide?
|
September 13, 2021
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| S2021E175 |
Are Stick Shifts Going Extinct?
|
September 14, 2021
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| S2021E176 |
How Do Toucans Work?
|
September 15, 2021
|
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| S2021E177 |
Why Are There Diamonds in the Ocean?
|
September 16, 2021
|
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| S2021E178 |
How Does the Venus de Milo Work?
|
September 17, 2021
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| S2021E179 |
Why Are Siberia's Wildfires So Intense This Year?
|
September 20, 2021
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| S2021E180 |
How Does CRISPR Work?
|
September 21, 2021
|
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| S2021E181 |
How Did an Amateur Design the U.S. Capitol?
|
September 22, 2021
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| S2021E182 |
How Do Gila Monsters Work?
|
September 23, 2021
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| S2021E183 |
What's Next for Roe v. Wade?
|
September 24, 2021
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| S2021E184 |
How Did a Cat Make Aviation History?
|
September 27, 2021
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| S2021E185 |
Why Shouldn't You Share Antibiotics?
|
September 28, 2021
|
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| S2021E186 |
Why Do Bats Land Upside Down?
|
September 29, 2021
|
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| S2021E187 |
How Does Ambulance Diversion Work?
|
September 30, 2021
|
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| S2021E188 |
How Does the Mars Solar Conjunction Affect NASA?
|
October 1, 2021
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| S2021E189 |
What Gets Featured on Blue Highway Signs?
|
October 4, 2021
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| S2021E190 |
Can Horses Help Humans Heal?
|
October 5, 2021
|
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| S2021E191 |
What Is Bubblegum Flavor Anyway?
|
October 6, 2021
|
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| S2021E192 |
How Do Starfish Work?
|
October 7, 2021
|
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| S2021E193 |
What Did the 2020 Census Reveal?
|
October 8, 2021
|
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| S2021E194 |
How Did Nigersaurus Work?
|
October 11, 2021
|
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| S2021E195 |
Could a Spaceship Ignite an Alien Atmosphere?
|
October 12, 2021
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| S2021E196 |
How Do Sea Otters Work?
|
October 14, 2021
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| S2021E197 |
Why Are Airplane Windows Round?
|
October 15, 2021
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| S2021E198 |
How Do Blue-Ringed Octopuses Work?
|
October 16, 2021
|
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| S2021E199 |
What Really Happened at the O.K. Corral?
|
October 19, 2021
|
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| S2021E200 |
Do Our Brains Have Fingerprints Too?
|
October 20, 2021
|
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| S2021E201 |
Why Is Rudeness So Contagious?
|
October 21, 2021
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| S2021E202 |
How Did Stegosaurus Work?
|
October 22, 2021
|
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| S2021E203 |
Do You Have to Tell Buyers Your House Is Haunted?
|
October 25, 2021
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| S2021E204 |
How Do Fruit Bats Work?
|
October 26, 2021
|
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| S2021E205 |
Were Witches Really Burned at the Stake in Salem?
|
October 27, 2021
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| S2021E206 |
How Did Benjamin Franklin Help Create the Jersey Devil?
|
October 28, 2021
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| S2021E207 |
Devil's Den: Is Gettysburg Haunted?
|
October 29, 2021
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| S2021E208 |
Would We Have Pumpkin Pie If Mastodons Had Survived?
|
November 1, 2021
|
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| S2021E209 |
How Much Starlight Has Been Emitted Since the Beginning of Time?
|
November 2, 2021
|
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| S2021E210 |
How Does the Invasive Joro Spider Work?
|
November 3, 2021
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| S2021E211 |
Who's Been Sending NASA Flowers for Thirty Years?
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November 4, 2021
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| S2021E212 |
How Does the Cerebellum Work?
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November 5, 2021
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| S2021E213 |
Why Do Flamingos Stand on One Leg?
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November 9, 2021
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| S2021E214 |
Could Thorium Revamp Nuclear Energy?
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November 10, 2021
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| S2021E215 |
Can You Really Shatter Glass with a High Note?
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November 11, 2021
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| S2021E216 |
Why Are Death Cap Mushrooms Invading America?
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November 12, 2021
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| S2021E217 |
How Do Anglerfish Work?
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November 15, 2021
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| S2021E218 |
How Does Crowd Control Work?
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November 16, 2021
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| S2021E219 |
How Do Fungal Pesticides Work?
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November 17, 2021
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| S2021E220 |
Should You Ditch Your Backup Plans?
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November 18, 2021
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| S2021E221 |
How Do Mink Work?
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November 19, 2021
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| S2021E222 |
Is Going Sockless Unhealthy?
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November 22, 2021
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| S2021E223 |
Can Solar Panels Power Cars?
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November 23, 2021
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| S2021E224 |
What Is the Mojave Megaphone?
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November 24, 2021
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| S2021E225 |
Where Do Baby Vegetables Come From?
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November 25, 2021
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| S2021E226 |
Have We Found the First Planet Outside the Milky Way?
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November 26, 2021
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| S2021E227 |
Do Hand Dryers Really Spread Germs?
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November 29, 2021
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| S2021E228 |
How Could CRISPR Improve Agriculture?
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November 30, 2021
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| S2021E229 |
How Does Pancreatic Cancer Work?
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December 1, 2021
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| S2021E230 |
What's the Difference Between Dusk and Twilight?
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December 2, 2021
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| S2021E231 |
Why Does Eating Meat Consume More Resources Than Eating Plants?
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December 3, 2021
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| S2021E232 |
How Does Frank Lloyd Wright's Fallingwater Work?
season finale
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December 6, 2021
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