0:54 the seed The Arctic vault that saves the world's seeds 
0:46 the grapefruit The oldest human-made object still in orbit 
0:52 the stone A pebble's 10,000-year journey from mountain to sea 
0:50 the rover Built for 90 days on Mars, it lasted 15 years 
0:47 the snowflake Why every snowflake has six arms 
0:50 the footprint Why the first footprint on the Moon is still there 
0:53 the comet Mark Twain predicted his own death with a comet 
1:01 the duck How 28,800 lost rubber ducks mapped the ocean (1992) 
1:05 the volcano Krakatau 1883: the loudest sound in recorded history 
1:01 the signal The Wow! signal: 72 seconds from deep space (1977) 
1:08 the tempeh Tempeh: Java's humble fermented superfood 
0:59 the water bear The water bear that survived space and crashed on the Moon 
0:52 the button Does the elevator 'close door' button actually work? 
0:57 the dung beetle The dung beetle that navigates by the Milky Way 
0:59 the starter The sourdough starter that's been alive since 1849 
0:59 the telescope Hubble: the telescope that needed glasses 
0:59 the mould Penicillin: the mouldy dish that changed medicine 
0:59 the statue Why the Statue of Liberty is green (and why she was almost painted) 
1:03 the lake Lake Toba: the calm lake left by a supervolcano 74,000 years ago 
1:04 the snooze button Why is the snooze button 9 minutes? The 1956 gear story 
1:06 the duct tape How duct tape helped bring Apollo 13 home 
1:03 the mechanism The Antikythera mechanism: a 2,000-year-old computer from a shipwreck 
1:02 the candy bar How a melted chocolate bar led to the microwave oven 
1:08 the parrot Alex the parrot: the bird who said 'I love you' 
0:57 the jellyfish The 'immortal' jellyfish that turns back into a baby 
1:09 the line The Wallace Line: the invisible border between Bali and Lombok 
1:06 the helicopter Ingenuity: the Mars helicopter built for 5 flights that flew 72 No story matches that yet.