All videos

Date Title Duration Views Transcribed Play
2014-09-01 How Do They Make Decaf Coffee? - Big Questions - (Ep.1) | Mental Floss 02:58 849,417 Play
2014-09-08 Who Invented the Hot Dog? - Big Questions (Ep.2) | Mental Floss 02:48 200,551 Play
2014-09-15 How Does Deodorant Work? - Big Questions (Ep.3) | Mental Floss 02:35 242,815 Play
2014-09-22 How Did April Fools Day Come About? - Big Questions (Ep.4) | Mental Floss 02:35 185,321 Play
2014-09-29 Where Does the $ Sign Come From? - Big Questions (Ep.5) | Mental Floss 02:56 332,925 Play
2014-10-06 Why Are Tortoises Slow? - Big Questions (Ep.6) | Mental Floss 02:21 195,577 Play
2014-10-13 Is it Unhealthy to Stand in Front of a Microwave While it is Cooking? - Big Questions (Ep. 7) 02:57 272,192 Play
2014-10-20 Where Did Last Names Come From? - Big Questions (Ep. 8) | Mental Floss 02:42 460,539 Play
2014-10-27 Why Don't Spiders Stick to Their Own Web? - Big Questions (Ep. 9) | Mental Floss 02:28 172,979 Play
2014-11-03 Why Are White Diamonds So Expensive? - Big Questions (Ep. 10) | Mental Floss 02:25 266,103 Play
2014-11-10 Why Does Your Voice Get Higher When You Inhale Helium? - Big Questions (Ep. 11) | Mental Floss 02:20 152,997 Play
2014-11-17 Why do they dye cheese yellow? - Big Questions (Ep. 12) | Mental Floss 02:34 230,756 Play
2014-11-24 Why are butterflies called "butterflies"? - Big Questions (Ep. 13) | Mental Floss 02:04 225,651 Play
2014-12-15 Why do our teeth chatter when we're cold? - Big Questions (Ep. 14) | Mental Floss 02:21 173,817 Play
2014-12-29 What is dirt made out of? - Big Questions (Ep. 15) | Mental Floss 02:37 206,517 Play
2015-01-05 Where did saying a guy was "hot" originate? - Big Questions (Ep. 16) | Mental Floss 03:11 181,090 Play
2015-01-12 Is blood ever blue? - Big Questions (Ep. 17) | Mental Floss 02:24 160,033 Play
2015-01-19 How far can I see on a clear day? - Big Questions (Ep. 18) | Mental Floss 02:26 169,619 Play
2015-01-26 Why are my ears ringing? - Big Questions - (Ep. 19) | Mental Floss 02:37 205,288 Play
2015-02-02 Do your organs grow with you? - Big Questions - (Ep. 20) | Mental Floss 02:35 266,985 Play
2015-02-09 Why is the heart associated with love? - Big Questions - (Ep. 21) | Mental Floss 02:13 174,005 Play
2015-02-16 Why does asparagus make your pee smell? - Big Questions - (Ep. 22) | Mental Floss 02:28 129,968 Play
2015-02-23 Why don't humans have a mating season? - Big Questions - (Ep. 23) | Mental Floss 02:31 436,467 Play
2015-03-02 How does a two-way mirror work? - Big Questions - (Ep. 24) | Mental Floss 02:18 339,942 Play
2015-03-09 Why do we get dark bags under our eyes? - Big Questions - (Ep. 25) | Mental Floss 02:15 400,479 Play
2015-03-16 Why do mosquitoes prefer biting some people to others? - Big Questions - (Ep. 26) | Mental Floss 02:26 263,456 Play
2015-04-06 What is the origin of the high five? - Big Questions - (Ep. 27) | Mental Floss 02:14 181,424 Play
2015-04-13 What makes a permanent marker permanent? - Big Questions - (Ep. 28) | Mental Floss 02:34 149,163 Play
2015-04-20 Why is 301 used in YouTube for view count? - Big Questions - (Ep. 28) | Mental Floss 02:47 235,635 Play
2015-05-04 Why do things taste bad after you brush your teeth? - feat. The Muppets! - Big Questions - (Ep. 30) 02:34 151,316 Play
2015-05-11 Why are the numbers on calculators and phones opposite? - Big Questions - (Ep. 31) | Mental Floss 02:52 217,695 Play
2015-05-18 Why does 98 degrees feel hot if that's your body temperature? - Big Questions - (Ep. 32) 02:00 241,491 Play
2015-05-25 Why do you see better when you squint? - Big Questions - (Ep. 33) | Mental Floss 02:11 224,611 Play
2015-06-08 Does hitting the snooze button help? - Big Questions - (Ep. 34) | Mental Floss 02:31 169,199 Play
2015-06-15 Why do we blush when we're embarrassed? - Big Questions - (Ep. 35) | Mental Floss 02:35 124,857 Play
2015-06-22 What did the original colonists sound like? - Big Questions - (Ep. 36) | Mental Floss 02:25 800,448 Play
2015-07-06 Why is ginger a palate cleanser? - Big Questions - (Ep. 38) | Mental Floss 02:25 115,666 Play
2015-07-13 Why are people ticklish? - Big Questions - (Ep. 39) | Mental Floss 02:29 135,234 Play
2015-07-20 Why does your nose get runny when it's cold? - Big Questions - (Ep. 40) | Mental Floss 02:12 123,320 Play
2015-07-27 Bloopers! - Big Questions - (Ep. 40.5) | Mental Floss 01:58 64,442 Play
2015-08-03 Why do bees die after they sting you? - Big Questions - (Ep. 41) | Mental Floss 02:25 257,370 Play
2015-08-10 Why are there silent letters in English words? - Big Questions - (Ep. 42) | Mental Floss 02:45 221,425 Play
2015-08-17 Why do people and animals tilt their heads when confused? - Big Questions - (Ep. 43) | Mental Floss 02:22 170,635 Play
2015-08-24 Does ginger ale really help with stomach aches? - Big Questions - (Ep. 44) | Mental Floss 02:35 175,761 Play
2015-08-31 Can you be tired from sleeping too much? - Big Questions - (Ep. 45) | Mental Floss 02:37 175,941 Play
2015-09-07 Where did we get the name America? - Big Questions - (Ep. 201) | Mental Floss 03:03 134,898 Play
2015-09-14 Why do we cry? - Big Questions - (Ep. 202) | Mental Floss 02:46 118,288 Play
2015-09-21 Why do my joints hurt more when it rains? - Big Questions - (Ep. 203) | Mental Floss 02:27 132,159 Play
2015-09-28 Are there good viruses? - Big Questions - (Ep. 204) | Mental Floss 02:28 128,341 Play
2015-10-05 Why does my hair feel dry from chlorine? - Big Questions - (Ep. 205) | Mental Floss 02:39 96,392 Play
2015-10-12 Why are blueprints blue? - Big Questions - (Ep. 206) | Mental Floss 02:18 160,525 Play
2015-10-19 Why is my voice different when I hear a recording? - Big Questions - (Ep. 207) | Mental Floss 02:21 300,409 Play
2015-10-26 Why is there a joker in playing card decks? - Big Questions - (Ep. 208) | Mental Floss 02:31 244,505 Play
2015-11-02 Why does daylight saving time vary by country? - Big Questions - (Ep. 209) | Mental Floss 02:49 113,913 Play
2015-11-09 What causes motion sickness? - Big Questions - (Ep. 210) | Mental Floss 02:31 103,529 Play
2015-11-16 Why do babies' eyes change color? - Big Questions - (Ep. 211) | Mental Floss 02:22 132,787 Play
2015-11-23 What's the difference between American and Canadian Thanksgiving? - Big Questions - (Ep. 212) 02:42 150,614 Play
2015-11-30 How did eating popcorn become a custom at movie theaters? - Big Questions - (Ep. 213) 02:44 325,971 Play
2015-12-07 Does cracking your knuckles cause arthritis? - Big Questions - (Ep. 214) | Mental Floss 02:15 109,951 Play
2015-12-14 Why do we get songs stuck in our heads? - Big Questions - (Ep. 215) | Mental Floss 02:44 98,782 Play
2016-01-04 Why does sudden exposure to the sun cause sneezing? - Big Questions - (Ep. 216) | Mental Floss 02:30 113,918 Play
2016-02-01 Why do people have birthmarks? - Big Questions - (Ep. 217) | Mental Floss 02:09 168,343 Play
2016-03-07 What makes hair naturally straight or curly? - Big Questions - (Ep. 218) | Mental Floss 02:07 136,118 Play
2016-04-04 Where did emojis come from? - Big Questions - (Ep. 219) | Mental Floss 03:02 113,103 Play
2016-05-02 Why do some countries drive on the left and some on the right? - Big Questions - (Ep. 220) 02:34 166,029 Play
2016-06-06 What's a brain freeze? - Big Questions - (Ep. 221) | Mental Floss 02:19 86,872 Play
2016-07-01 What's the origin of fireworks? - Big Questions - (Ep. 222) | Mental Floss 02:35 60,495 Play
2016-08-08 Why are there 24 hours in a day? - Big Questions - (Ep. 223) | Mental Floss 02:16 112,412 Play
2016-09-05 Why do traffic jams occur? - Big Questions - (Ep. 224) | Mental Floss 03:06 84,096 Play
2016-10-03 How does ghost hunting technology work? - Big Questions - (Ep. 225) | Mental Floss 02:48 82,325 Play
2016-11-07 Why aren't there "B" batteries? - Big Questions - (Ep. 226) | Mental Floss 02:25 126,985 Play
2016-12-05 Do hats cause balding? - Big Questions - (Ep. 227) | Mental Floss 02:00 113,893 Play
2017-01-09 Why do we close our eyes when we sneeze? - Big Questions - (Ep. 228) | Mental Floss 02:35 82,537 Play
2017-02-06 Is there an explanation for déjà vu? - Big Questions - (Ep. 229) | Mental Floss 02:40 84,793 Play
2017-03-06 Do you need to wash food before eating it? - Big Questions - (Ep. 230) | Mental Floss 03:02 78,931 Play
2017-04-03 Why did we stop going to the moon? - Big Questions - (Ep. 231) | Mental Floss 03:22 137,301 Play
2017-05-01 What's the history of lawn mowing? - Big Questions - (Ep. 232) | Mental Floss 02:39 82,000 Play