00:00:00 What makes the Great Barrier Reef a natural wonder?
00:00:39 Does your body have enough iron to make a nail?
00:01:12 Why do snails bury themselves?
00:01:36 Why does a Norwegian town have houses on stilts?
00:02:02 How small is the world’s smallest frog?
00:02:31 Why do people enjoy talking about themselves?
00:03:01 Why can’t ostriches walk backward?
00:03:22 Can buildings be cooled without electricity?
00:03:50 How long does sunlight take to reach Earth?
00:04:18 How do elephants’ fear of bees save farms?
00:04:57 Why is a cat’s brain 90% like a human’s?
00:05:37 Did you know there’s a house in France with a negative number?
00:06:03 Why are trees in Poland mysteriously bent?
00:06:31 Do ants ever sleep?
00:07:01 What makes the Greenland shark the longest-living ocean creature?
00:07:40 Are giraffe spots as unique as fingerprints?
00:08:12 Can you get pregnant while already pregnant?
00:08:57 How did the discovery of DNA change science?
00:09:29 Why do giraffes barely sleep?
00:09:54 What is the world’s longest movie?
00:10:31 How sensitive is the human nose?
00:11:04 Is Big Ben actually a clock?
00:11:27 Does a duck’s quack have an echo?
00:12:00 Did you know banana plants can "walk"?
00:12:29 Is caffeine an energy booster or an illusion?
00:13:05 How did sticky rice help build the Great Wall of China?
00:13:33 What is mysterious desert music, and why is it frightening?
00:14:04 What makes El Popo Mexico’s fiery mountain?
00:14:36 Are there bridges that "speak"?
00:14:57 How far can messages in bottles travel?
00:15:26 Why does lightning often strike the same place?
00:16:04 Can turtles breathe through their butts?
00:16:39 How does olive oil help fight cancer?
00:17:12 Can you pronounce a word with 189,000 letters?
00:17:41 Why do owls have asymmetrical ears?
00:18:15 Where does the word "okay" come from?
00:18:57 Which country uses plastic money?
00:19:31 Is there really a "walking" tree in Madagascar?
00:20:03 Why do people in a Chinese village live past 100 years?
00:20:32 Did you know platypuses are venomous?
00:21:00 How much power does the king of Sweden have?
00:21:38 What does one billion seconds equal in years?
00:22:11 Was the first computer bug an actual bug?
00:22:42 Can crocodiles digest metal?
00:23:19 Are there "moving" lakes in Kenya?
00:23:45 What is the longest time between twin births?
00:24:15 Why did people once answer phones with "Ahoy"?
00:24:46 How many types of tea exist?
00:25:16 How does Germany run a successful crocodile farm?
00:25:42 Why is Spain’s ghost city uninhabited?
00:26:20 Why don’t chickens fly like eagles?
00:27:00 Can squirrels cause power outages?
00:27:38 Why don’t dragonflies walk despite having six legs?
00:28:14 What are the four forces of flight?
00:28:46 Why doesn’t Tokyo have street addresses?
00:29:13 Do elephants have toes?
00:29:45 Is Scotland’s national animal really a unicorn?
00:30:18 Why does your brain stay alert in a new place?
00:31:03 What is the most venomous snake, and where does it live?
00:31:34 How did ancient Roman firefighters operate?
00:32:03 Is walking 10,000 steps a day a myth?
00:32:37 Do donkeys have more personality than horses?
00:33:07 What was the Babylonian lottery?
00:33:37 Why do chickens peck at their food?
00:34:11 How can a dollar be changed 293 ways?
00:34:35 What makes the Hercules beetle so strong?
00:35:04 Why do polar bears have black skin under white fur?
00:35:29 Is a year on Mercury shorter than a day?
00:36:02 Does it rain diamonds on Neptune?
00:36:27 What was the longest earthquake ever recorded?
00:37:03 Do cows have best friends?
00:37:33 What is Turkey’s ancient underground city?
00:38:09 Can you "wash" banknotes in some countries?
00:38:38 How long is the world’s longest bridge?
00:39:05 Is there a basketball court on top of the Supreme Court?
00:39:34 Can scorpions glow in the dark?
00:39:59 Does Argentina have a river that burns?
00:40:33 Is organic food really better?
00:41:10 How much fresh water is in the world’s deepest lake?
00:41:42 Can a chocolate bar really be endless?
00:42:05 Did computer memory once use magnetic rings?
00:42:32 What accident led to the invention of the popsicle?
00:43:11 What are the secret ingredients in Coca-Cola?
00:43:41 Does it rain diamonds on Saturn?
00:44:09 Why do penguins swallow stones?
00:44:38 Why is Italy called the country of UNESCO treasures?
00:45:11 Why is Mauna Kea taller than Everest?
00:45:41 How long is the world’s longest hair?
00:46:15 Are almonds and peaches related?
00:46:39 Do icebergs have colorful stripes?
00:47:03 Do sharks walk on the ocean floor?
00:47:37 What makes Sweden’s museums so strange?
00:48:16 Are there fish that can live without water?
00:48:39 Do kangaroos have a "spare" pregnancy?
00:49:14 Why do octopuses have three hearts?
00:49:40 How do dung beetles navigate by the stars?
00:50:12 What is the real reason cats purr?
00:50:36 Does Canada have more lakes than the rest of the world?