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Dr Karl's Great Moments in Science

  1. Alcohol & Antibiotics2018/01/16
    Does alcohol actually muck with antibiotics? (Flickr: Czarina Alegre (CC BY 2.0))
  2. Asteroid belt 22018/01/09
    Is this what an asteroid belt would really look like? (Flickr: kristian fagerström (CC BY-SA 2.0))
  3. Asteroid belt 12018/01/02
    NASA has begun missions to near-Earth asteroids (Flickr: NASA Goddard Space Flight Centre (CC BY 2.0))
  4. Carrots & Night Vision2017/12/26
    Will these veggies really help you see better at night? (Flickr: swong95765 (CC BY 2.0))
  5. Mpemba effect2017/12/19
    Why would hot water freeze faster than cold water? (Flickr: Alfredo Ristol (CC BY 2.0))
  6. Why is it easier to 'erase' a magnetic hotel card than a credit card?2017/12/12
    How come it's easier to erase some magnetic swipe cards? (Flickr: frankieleon (CC BY 2.0))
  7. Coffee naps2017/12/05
    Time for caffeine, or a nap? Why not both? (Flickr: TheNightRaven (CC BY-ND 2.0))
  8. Predicting earthquakes2017/11/28
    The aftermath of a magnitude 7.0 earthquake in Haiti in 2010 (Flickr: Vicente Raimundo, European Commission DG ECHO (CC BY-SA 2.0))
  9. Mitochondria - Fiery Powerhouses2017/11/21
    Mitochondria are fiery factories in your body (Flickr.com Kenneth Lu (CC-BY-2.0))
  10. Why we tell lies2017/11/14
    Ask me no questions, and I'll tell you no lies. (Unsplash: Kristina Flour)
  11. Min Min lights2017/11/07
    Mysterious lights from unknown sources? (Flickr.com: Al Ibrahim (CC-BY-SA-2.0))
  12. Insectageddon2017/10/31
    Are flying insect numbers dropping? (Flickr.com: Niv Singer (CC-BY-SA-2.0))
  13. Killer cats2017/10/24
    Australian feral cats kill upwards of 300 million birds each year (Supplied: Hugh McGregor, Arid Recovery.)
  14. Why the sky is blue. For reals2017/10/17
    The Wiggles, the Flintstones and Raquel Welch all got it wrong. (Getty Images)
  15. The origin of spaghetti2017/10/10
    Mucho pasta or oodles of noodles? (Getty Images)
  16. Can we detect lies?2017/10/03
    How effective are lie detectors? (Getty Images)
  17. Four leaf clovers not so lucky2017/09/26
    Lucky? (Getty)
  18. Dissing the dishwasher2017/09/19
    They're less thirsty and power-hungry than human dish washers - and cleaner to boot. (Getty)
  19. Dinosaurs and cave people2017/09/12
    The Wiggles, the Flintstones and Raquel Welch all got it wrong. (Getty Images)
  20. Death by chocolate2017/09/05
    Death by chocolate really is a thing. (Getty Images)
  21. Tricks of the Menu Trade2017/08/29
    Vegetarians might be in the best position to escape the lure of the engineered menu.
  22. Life after decapitation2017/08/22
    Surprisingly, the brain can survive for a few seconds after decapitation. (LouismiX. Getty Images)
  23. SOFIA: Holy flying telescope - part 22017/08/15
    That's not a cargo door - it's a telescope! SOFIA in full flight. (NASA)
  24. Holy flying telescopes, part 12017/08/08
    An exit row like no other. SOFIA with telescope doors open. (NASA)
  25. Cane toads used for pregnancy test2017/08/01
    Honey, the cane toad didn't die
  26. Why spiders don't go commando2017/07/25
    Commandos dropping from helicopter on ropes twist in the wind. But spider silk has a non-twist trick.
  27. Bird brains - dense, not dumb2017/07/18
    Their brains are tiny, but like other parrots these rainbow lorikeets pack a surprising mental punch. (Imagevixen)
  28. Of mice, marijuana, memory and men2017/07/11
    (Getty Images)
  29. Origin of life2017/07/04
    Tubeworms related to this species are found in colonies around hydrothermal vents. (NOAA)
  30. Ocean ridge secrets2017/06/27
    World distribution of mid-oceanic ridges (US Geological Survey)
  31. Childhood amnesia2017/06/20
    It happened, but they probably won't remember it. (Getty Images: Westend61)
  32. Can you beat the pokies? (Part 2)2017/06/13
    An app, some quick fingerwork and a whole lot of maths let Russian gamblers fleece US casinos. (Getty Images (franckreporter))
  33. Can you beat the pokies? (Part 1)2017/06/06
    Part of the 10 billion dollars Australians lose on the pokies each year. (ABC News: Diana Hayward)
  34. Artificial uterus2017/05/30
    Artist's impression of artificial uterus with human foetus (Getty Images: Victor Habbick)
  35. Minus-calorie celery claim leaves food for thought2017/05/23
    Not the most nutritious of foods, celery is about 95 per cent water (Dennis Amith; Flickr.com/CC/BY-NC/ 2.0)
  36. Why we yawn2017/05/16
    Not bored, just needing some oxygen. German Chancellor Angela Merkel during a meeting of the the German federal parliament. (Adam Berry/Getty Images)
  37. Animal poo times2017/05/09
    Most mammals do take roughly the same time to poo - it's just not 12 seconds.
  38. Ponytail physics2017/05/02
    How did the orbit of the Moon affect our understanding of ponytails? (NASA: supplied)
  39. The real cost of air pollution2017/04/26
    Air pollution kills more than 4 million people each year, and costs trillions of dollars. (Getty Images: Mint Images)
  40. Cannibalism2017/04/18
    Pork heart on a white plate with fork and knife (Getty Images: LemonSeed)
  41. Pregnancy while pregnant2017/04/11
    Superfetation is the phenomenon where offspring simultaneously develop in utero (Getty Images)
  42. Cleaning up space junk2017/04/04
    Forcing junk to reenter our atmosphere causing it to burn up is one way of cleaning up space junk (NASA)
  43. How much space junk is out there?2017/03/28
    There have been more than 5,000 space launches since the 50s, and they've left a lot of detritus behind. (Getty Images)
  44. How the Nobel Prize medals were hidden from the Nazis2017/03/21
    The gold Nobel medal awarded to Nobel Peace Prize winners (BERIT ROALD/AFP/Getty Images)
  45. What we know about misophonia, the 'hatred of sounds'2017/03/14
    Certain sounds trigger rage, terror, fear, panic and anger in misophonia sufferers. (Getty Images)
  46. Paying service to the human lip2017/03/07
    Our lips contain hundreds of muscles allowing them to perform complex actions (Getty Images)
  47. Is air conditioning sexist?2017/02/28
    A cold office experience is common for many women (Getty Images Composite)
  48. How humankind has changed our planet2017/02/21
    Women visiting Tiananmen Square wear masks to protect against pollution. (Kevin Frayer/Getty Images)
  49. Could we capture and store energy from lightning?2017/02/14
    Parts of Venezuela have more lightning strikes than anywhere else in the world. (Gail Johnson/ Getty Images)
  50. The power of lightning2017/02/07
    Lightning strikes Sydney Tower during a storm. (Rob Henderson/ Getty Images)
  51. Why we need a leap second added to our clocks2017/01/31
    A second is added to atomic clocks every year and a half to compensate for the inconsistent rotation of the earth (Fox Photos/Getty Images)
  52. What if the Earth stopped spinning?2017/01/17
    A high-resolution image of Earth from space (NASA)
  53. The collective intelligence of animals2016/12/20
    Seagulls use collective intelligence to share food discoveries. (Meghan Turner / EyeEm / Getty)
  54. It's complicated: the sex life of coral2016/12/13
    Hard coral spawning at Lizard Island National Park on Queensland's Great Barrier Reef. (Auscape/UIG/Getty)
  55. A brief history of coral2016/12/06
    Once every year, all the coral on the Great Barrier Reef do their "spawning", a giant sexual paroxysm dubbed "the world's biggest orgasm" by some. (Unsplash.com: Dawid Zawila, CC-0)
  56. The earworm you can't get out of your head2016/11/29
    Ways of removing an ear worm are chewing gum and listening to the same song over and over. (Getty Images)
  57. That new book smell2016/11/22
    A book's smell comes from its paper, the ink and the glue used. (Carlo A/ Getty Images)
  58. Life on Saturn's moon Enceladus2016/11/15
    Enceladus photographed by NASA's Cassini spacecraft during its closest-ever dive past the moon's active south polar region on Oct. 28, 2015. (By National Aeronautics and Space Administration (NASA) / Jet Propulsion Laboratory (JPL))
  59. The 2016 Nobel prizes for Physics and Chemistry2016/11/08
    John Michael Kosterlitz was part of the team that won the Nobel for work on exotic matter. (RONI REKOMAA/AFP/Getty Images)
  60. The strange science of autophagy or 'self-cannibalisation'2016/11/01
    Yoshinori Ohsumi was recognised for his work on autophagy—a process whereby cells 'eat themselves'. (Getty Images/Toru Yamanaka)
  61. Overcoming chronic lateness2016/10/25
    Some people are crisis makers who like the thrill of being late. (Getty Images)
  62. Loud sounds can kill hard drives2016/10/18
    Loud noises can stop hard drives operating and even cause permanent failure. (Getty Images)
  63. The Ig Nobel Prizes2016/10/11
    The 2016 Ig Nobel for chemistry was awarded to Volkswagen for solving the problem of car pollution emissions. (Getty Images)
  64. Wi-fi is watching us2016/10/04
    City dwellers bath in wifi (Linghe Zhao/ Getty Images)
  65. Why do mozzies love some people but not others?2016/09/27
    A mosquito gorged with human blood (Michael Pavlic/EyeEm/Getty)
  66. Latin's most misused word: vomitorium2016/09/20
    You might find a vomitorium at a Roman theatre, but you wouldn't want to spew in it (Getty Images)
  67. Time travel is already possible2016/09/13
    The Hafele–Keating experiment showed that time slowed down with increased speed (Getty Images)
  68. How a chemical in sunscreen attacks coral2016/09/06
    A diver swims over damaged coral. (Getty Images)
  69. Electric motors in bacteria (part 2)2016/08/30
    Escherichia coli cells use long, thin structures called flagella to propel themselves. (Media for Medical/UIG via Getty Images)
  70. The microscopic high-tech wizardry of bacteria2016/08/23
    Salmonella bacteria are gram-negative rod-shaped bacteria that have flagella (hair-like structures) that they use for locomotion. (Getty Images)
  71. How dangerous is it to refuel with the engine running?2016/08/16
    Is it better to be safe than sorry when it comes to refuelling your car? (Getty Images/Scott Barbour)
  72. Movie releases of a chemical kind2016/08/09
    Humans watching scary films share a flight or fight chemical reaction (Getty Images)
  73. Immortal jellyfish2016/08/02
    Turritopsis dohrnii is also known as the 'immortal jellyfish'. (Yiming Chen/ Getty Images)
  74. Double yolk eggs2016/07/26
    Don't buy a lottery ticket just yet. (Getty Images)
  75. Coffee can be good for us (part two)2016/07/19
    Despite some health benefits, Dr Karl isn't recommending adding caffine to the water supply just yet. (JGI Jamie Grill/ Getty Images)
  76. Coffee, it's good for you2016/07/12
    Coffee might be OK for us, but the old adage still holds: 'GIGO', or 'garbage in, garbage out'. (Getty Images)
  77. Bitcoin and security2016/07/05
    Bitcoin grew out of disillusionment with 'conventional' finance. (Source: Science Picture Co/Getty Images)
  78. Bitcoin and mathematics2016/06/28
    A Israeli man buys Bitcoins at the first dedicated ATM machine installed in the Middle East in the Mediterranean coastal city of Tel Aviv. (JACK GUEZ/AFP/Getty Images)
  79. Value of money is based on trust2016/06/21
    Stone money on Yap (Getty Images)
  80. Bitcoin: from the beginning2016/06/14
    Bitcoin grew out of disillusionment with 'conventional' finance. (Source: Science Picture Co/Getty Images)
  81. Can water burn leaves?2016/06/07
    Sam Mugraby (Photo8.com/Wikimedia Commons)
  82. How clean and green is our digital world?2016/05/31
    Behind the cloud is a bank of computers (Erik Isakson/Getty images)
  83. Zombies, pi and shotguns2016/05/24
    Zombies, pi and shotguns: have you worked out the connection? (Getty Images)
  84. Raw milk: separating facts from fads2016/05/17
    Raw milk is one of the best culture mediums for growing bacteria (Getty Images)
  85. How long would it take a vampire to drain you of blood?2016/05/10
    That sucks: Keep this up and there'll be no-one left - human or vampire! (Getty Images)
  86. The time-travelling brain2016/05/03
    Memories define us ((Source: Getty Images))
  87. Why do people talk louder when they drink alcohol?2016/04/26
    Alcohol effects on hearing are different for men and for women. (JW Ltd/Getty Images)
  88. Why did the US lose the height advantage?2016/04/19
    How tall? That depends upon 80 per cent genes and 20 per cent environment (Getty Images)
  89. How many places of pi do we need?2016/04/12
    How much pi do we need? (Getty Images)
  90. Can you make our heart stronger?2016/04/06
    A short period of running out of sync may strengthen the heart (Alfred Pasieka/Science Photo Library/Getty images)
  91. How does the heart work?2016/03/29
    Your heart will pump around about 200,000 tonnes of blood around your body in your lifetime.  (Getty Images)
  92. Anti-gravity dream may take off2016/03/22
    Could someone alive today be the one to work out how to control gravity. (Source: Getty images)
  93. The physics of gravitational waves2016/03/08
    Gravitational waves distort the fabric of space-time. How? Gravity is geometry, explains Dr Karl.
  94. The awesome origins of gravitational waves2016/03/01
    When two black holes collide, the resulting gravitational ripples can be felt across the cosmos (Henze/Nasa)
  95. Dragonfly telescope shines a light on dark matter2016/02/23
    Three previously undiscovered very faint dwarf galaxies were found orbiting the pinwheel galaxy M101 using the Dragonfly Telescope. (Source: X ray: NASA/CXC/SAO; Optical: Detlef Hartmann; Infrared: NASA/JPL Caltech)
  96. Two big physics problems2016/02/16
    This track is an example of simulated data modelled for the CMS detector on the Large Hadron Collider (LHC) at CERN  (CERN)
  97. Traffic button pushes beautiful design2016/02/09
    (Genelle Weule/ABC)
  98. The dark side of credit card theft2016/02/02
    (David Gould/Getty Images)
  99. Credit card theft: why is pays to be careful2016/01/27
    Criminals can steal your information in many ways (Getty Images)
  100. Ants use brains and brawn to share the load2015/12/15
    Ant lifting a piece of cereal. (Asaf Gal and Ofer Feinerman)
  101. How are planets born?2015/12/08
    Birth of a planet (NASA/JPL-Caltech)
  102. Fly eyes inspire solar panels2015/12/01
    Fly eyes: insects may not take over the world but may help save it with clean energy (mikroman6/Getty Images)
  103. Emoji lords to release 67 new symbols2015/11/24
    Does the news we're getting 67 new emoji make you laugh - or cry? (Wikimedia Commons)
  104. How do planes fly?2015/11/17
    One common, but slightly incorrect explanation for flight involves Bernoulli's Law. (Getty)
  105. How many cells in a person?2015/11/10
    Scientists have worked out how many cells there are in a average adult male. (Getty images)
  106. The beautiful act of vomiting2015/11/03
    Driving the porcelain bus (Getty Images)
Great Moments In Science - with Dr Karl Kruszelnicki
From the ground breaking and life saving to the wacky and implausible, Dr Karl Kruszelnicki reveals some of the best moments in science.

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