Dark matter: How does it explain a star's speed? - Don LincolnApr 19, 2019Watch
Historical role models - Amy BissettaApr 19, 2019Watch
What happened to antimatter? - Rolf LanduaApr 12, 2019Watch
Four sisters in Ancient Rome - Ray LaurenceApr 12, 2019Watch
How does the Nobel Peace Prize work? - Adeline Cuvelier and Toril RoksethApr 05, 2019Watch
What causes kidney stones? - Arash ShadmanApr 05, 2019Watch
How North America got its shape - Peter J. HaproffMar 29, 2019Watch
Why do animals form swarms? - Maria R. D'OrsognaMar 29, 2019Watch
How stress affects your body - Sharon Horesh BergquistMar 22, 2019Watch
How do hard drives work? - Kanawat SenananMar 22, 2019Watch
How do geckos defy gravity? - Eleanor NelsenMar 15, 2019Watch
How blood pressure works - Wilfred ManzanoMar 15, 2019Watch
The chemistry of cold packs - John PollardMar 08, 2019Watch
Could a blind eye regenerate? - David DavilaMar 08, 2019Watch
How heavy is air? - Dan QuinnMar 01, 2019Watch
Einstein's brilliant mistake: Entangled states - Chad OrzelMar 01, 2019Watch
A brief history of video games (Part I) - Safwat SaleemFeb 22, 2019Watch
The true story of Sacajawea - Karen MensingFeb 22, 2019Watch
How big is the ocean? - Scott GassFeb 15, 2019Watch
Inside your computer - Bettina BairFeb 15, 2019Watch
The true story of Sacajawea - Karen MensingFeb 08, 2019Watch
A brief history of video games (Part I) - Safwat SaleemFeb 08, 2019Watch
How big is the ocean? - Scott GassFeb 01, 2019Watch
Inside your computer - Bettina BairFeb 01, 2019Watch
Gyotaku: The ancient Japanese art of printing fish - K. Erica DodgeJan 25, 2019Watch
The brilliance of bioluminescence - Leslie KennaJan 25, 2019Watch
You are your microbes - Jessica Green and Karen GuilleminJan 18, 2019Watch
How do cancer cells behave differently from healthy ones? - George ZaidanJan 18, 2019Watch
How big is a mole? (Not the animal, the other one.) - Daniel DulekJan 11, 2019Watch
Solving the puzzle of the periodic table - Eric RosadoJan 11, 2019Watch
Deep ocean mysteries and wonders - David GalloJan 04, 2019Watch
How to speed up chemical reactions (and get a date) - Aaron SamsJan 04, 2019Watch
What happens to our bodies after we die? - Farnaz Khatibi JafariDec 21, 2018Watch
Are food preservatives bad for you? - Eleanor NelsenDec 21, 2018Watch
The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar IbrahimDec 14, 2018Watch
Real life sunken cities - Peter CampbellDec 14, 2018Watch
Why are there so many insects? - Murry GansDec 07, 2018Watch
How to make your writing funnier - Cheri SteinkellnerDec 07, 2018Watch
What makes the Great Wall of China so extraordinaryNov 30, 2018Watch
How stress affects your brain - Madhumita MurgiaNov 30, 2018Watch
Why is it so hard to cure cancer? - Kyuson YunNov 16, 2018Watch
The science of smog - Kim PreshoffNov 16, 2018Watch
How does caffeine keep us awake? - Hanan QasimNov 09, 2018Watch
Can you solve the fish riddle? - Steve WyborneyNov 09, 2018Watch
Why do animals have such different lifespans? - Joao Pedro de MagalhaesNov 02, 2018Watch
Check your intuition: The birthday problem - David KnuffkeNov 02, 2018Watch
The Egyptian Book of the Dead: A guidebook for the underworld - Tejal GalaOct 26, 2018Watch
How to practice effectively...for just about anything - Annie Bosler and Don GreeneOct 26, 2018Watch
How to master your sense of smell - Alexandra HorowitzOct 19, 2018Watch
Can you solve the virus riddle? - Lisa WinerOct 19, 2018Watch
Can machines read your emotions? - Kostas KarpouzisOct 12, 2018Watch
How do nuclear power plants work? - M. V. Ramana and Sajan SainiOct 12, 2018Watch
Why don't perpetual motion machines ever work? - Netta SchrammOct 05, 2018Watch
The neuroscience of imagination - Andrey VyshedskiyOct 05, 2018Watch
Why are sloths so slow? - Kenny CooganSep 28, 2018Watch
Why do we itch? - Emma BryceSep 28, 2018Watch
What causes cavities? - Mel RosenbergSep 21, 2018Watch
Why should you listen to Vivaldi's "Four Seasons"? - Betsy SchwarmSep 21, 2018Watch
Could we survive prolonged space travel? - Lisa NipSep 14, 2018Watch
Why do we feel nostalgia? - Clay RoutledgeSep 14, 2018Watch
Plato’s best (and worst) ideas - WisecrackSep 07, 2018Watch
What is bipolar disorder? - Helen M. FarrellSep 07, 2018Watch
How to use rhetoric to get what you want - Camille A. LangstonAug 31, 2018Watch
How a single-celled organism almost wiped out life on Earth - Anusuya WillisAug 31, 2018Watch
The psychology behind irrational decisions - Sara GarofaloAug 24, 2018Watch
Is radiation dangerous? - Matt AnticoleAug 24, 2018Watch
Why do cats act so weird? - Tony BuffingtonAug 17, 2018Watch
Why is Mount Everest so tall? - Michele KoppesAug 17, 2018Watch
Why the insect brain is so incredible - Anna StöcklJul 27, 2018Watch
Why do our bodies age? - Monica MenesiniJul 27, 2018Watch
History vs. Napoleon Bonaparte - Alex GendlerJul 27, 2018Watch
Can you solve the passcode riddle? - Ganesh PaiJul 27, 2018Watch
How bees help plants have sex - Fernanda S. ValdovinosJul 27, 2018Watch
How do nerves work? - Elliot KraneJul 27, 2018Watch
Mysteries of vernacular: X-ray - Jessica Oreck and Rachael TeelJul 20, 2018Watch
The survival of the sea turtle - Scott GassJul 20, 2018Watch
Dead stuff: The secret ingredient in our food chain - John C. MooreJul 13, 2018Watch
History vs. Christopher Columbus - Alex GendlerJul 13, 2018Watch
Inside a cartoonist's world - Liza DonnellyJul 06, 2018Watch
How many universes are there? - Chris AndersonJul 06, 2018Watch
What happens when you get heat stroke? - Douglas J. CasaJun 29, 2018Watch
When is water safe to drink? - Mia NacamulliJun 29, 2018Watch
How do we know what color dinosaurs were? - Len BlochJun 22, 2018Watch
The ancient origins of the Olympics - Armand D'AngourJun 22, 2018Watch
A different way to visualize rhythm - John VarneyJun 15, 2018Watch
Why are sharks so awesome? - Tierney ThysJun 15, 2018Watch
The genius of Marie Curie - Shohini GhoseJun 08, 2018Watch
What is dyslexia? - Kelli Sandman-HurleyJun 08, 2018Watch
Why is Vermeer's "Girl with the Pearl Earring" considered a masterpiece? - James EarleJun 01, 2018Watch
How does a jellyfish sting? - Neosha S KashefJun 01, 2018Watch
Can you solve the airplane riddle? - Judd A. SchorrMay 25, 2018Watch
The mystery of motion sickness - Rose EvelethMay 25, 2018Watch
Would you weigh less in an elevator? - Carol HeddenMay 18, 2018Watch
Why wasn’t the Bill of Rights originally in the US Constitution? - James CollMay 18, 2018Watch
Who was Confucius? - Bryan W. Van NordenMay 11, 2018Watch
How memories form and how we lose them - Catharine YoungMay 11, 2018Watch
What are the universal human rights? - Benedetta BertiMay 04, 2018Watch
Can you solve the prisoner boxes riddle? - Yossi ElranMay 04, 2018Watch
How do schools of fish swim in harmony? - Nathan S. JacobsApr 27, 2018Watch
How X-rays see through your skin - Ge WangApr 27, 2018Watch
The world’s most mysterious book - Stephen BaxApr 20, 2018Watch
How do pregnancy tests work? - Tien NguyenApr 20, 2018Watch
Why doesn’t anything stick to Teflon? - Ashwini BharathulaApr 13, 2018Watch
How computers translate human language - Ioannis PapachimonasApr 13, 2018Watch
Can you solve the temple riddle? - Dennis E. ShashaApr 06, 2018Watch
How do animals see in the dark? - Anna StöcklApr 06, 2018Watch
Einstein's miracle year - Larry LagerstromMar 30, 2018Watch
How do pain relievers work? - George ZaidanMar 30, 2018Watch
Does "The Wonderful Wizard of Oz" have a hidden message? - David B. ParkerMar 23, 2018Watch
Why do some people go bald? - Sarthak SinhaMar 23, 2018Watch
Making sense of irrational numbers - Ganesh PaiMar 16, 2018Watch
The science of static electricity - Anuradha BhagwatMar 16, 2018Watch
The origins of ballet - Jennifer Tortorello and Adrienne WestwoodMar 09, 2018Watch
How do vaccines work? - Kelwalin DhanasarnsombutMar 09, 2018Watch
How to unboil an egg - Eleanor NelsenMar 02, 2018Watch
Mary's Room: A philosophical thought experiment - Eleanor NelsenMar 02, 2018Watch