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Dr Karl's Great Moments in Science

  1. Anaesthetic bomb2018/07/10
    Could anaesthetic bombs really work? (Flickr: Andy Smith)
  2. Humans vs volcanoes2018/07/03
    A man takes on a volcano (with an umbrella and camera) (Flickr.com: Mark (eggrole) CC BY 2.0)
  3. The dunes of Pluto2018/06/26
    This image taken during the New Horizons mission shows the mountain range on the edge of the Sputnik Planitia ice plain, with dune formations clearly visible in the bottom half of the picture. (Supplied: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute)
  4. A1 vs A2 milk2018/06/19
    Udderly complicated: A1 vs A2 milk (Flickr: Zeyus Media CC BY 2.0)
  5. Cockroach milk2018/06/12
    Would you be interested in a side of... cockroach milk? (Flickr: VirtualWolf)
  6. Sightseeing from Orbit2018/06/05
    A spacewalk selfie from astronaut Ricky Arnold on May 16, 2018. (Ricky Arnold, NASA)
  7. Road trip to future travel2018/05/29
    Can you imagine life without car travel? 130 years ago one woman went on a trip that made it possible. (Unsplash: Oscar Nilsson)
  8. Gunpowder vs sandwich2018/05/22
    Have you ever wondered how much energy your ham and cheese sandwich holds? (Pixabay: Bhumann34)
  9. Why are whales so big?2018/05/15
    Being big, but not too big, allows whales to survive in the ocean. (Unsplash: Thomas Kelley)
  10. Trees have senses too2018/05/08
    Trees can detect light and pressure using chemicals in their leaves. (Unsplash: Kawin Harasai)
  11. The Wood Wide Web2018/05/01
    An evergreen fir tree can send nutrients to a nearby birch tree when it loses its leaves through winter. (Unsplash: Chelsea Bock)
  12. Trees are made from air2018/04/24
    Trees are made mostly from.... air!? (Flickr: Jennifer C. (CC BY 2.0))
  13. Coal's hidden health cost2018/04/17
    Coal-fired power stations emit pollutants including sulphur dioxide into the atmosphere. (Pixabay: stevepb)
  14. Speaking in tongues2018/04/10
    An Australian affected by Foreign Accent Syndrome might suddenly start speaking with an American accent. (Unsplash: Vladislav Klapin)
  15. The hummingbird: a furnace with feathers2018/04/03
    Hummingbirds can beat their wings up to 80 times a second while they’re hovering next to a flower. (Unsplash: James Wainscoat)
  16. Aboriginal stories accurate2018/03/27
    The stories of Australian Aboriginal people often travel down through generations via songs and dances (Flickr: Mark Roy (CC BY-SA 2.0))
  17. Phone porting and identity theft2018/03/20
    To break into your phone, thieves only need to track down your identity (Flickr.com: Faris Algosaibi (CC BY 2.0))
  18. Fat is a beautiful organ2018/03/13
    Should fat be considered beautiful? Or at least useful? (Flickr.com: Randen Pederson (CC BY 2.0))
  19. Doomsday seed vaults2018/03/06
    This tunnel leads deep into the Artic bedrock where the world's seed "back ups" are stored. (Flickr: Global Crop Diversity Trust)
  20. Arsonist birds2018/02/27
    Birds circle a bushfire in Kakadu National Park (Getty Images)
  21. Dark matter2018/02/20
    A composite image showing the distribution of dark matter, galaxies, and hot gas (NASA, ESA, CFHT, CXO, M.J. Jee (University of California, Davis), and A. Mahdavi (San Francisco State University))
  22. A truck that's faster than the internet?2018/02/13
    Truck lights blurred down highway (Flickr.com: jmiller291 (CC BY 2.0))
  23. Tennis grunting2018/02/06
    Roger Federer grunts through a shot in the 2012 World Tour Finals against Novak Djokovic (Flickr: Marianne Bevis (CC BY-ND 2.0))
  24. Super-hot planet2018/01/30
    Artist rendition of an extremely hot exoplanet candidate, known as UCF-1.01, which orbits a star called GJ 436 (NASA/JPL-Caltech)
  25. Chewing gum2018/01/23
    Yep, that's a wall of chewing gum (Flickr: Jay Thompson (CC BY-SA 2.0))
  26. Alcohol & Antibiotics2018/01/16
    Does alcohol actually muck with antibiotics? (Flickr: Czarina Alegre (CC BY 2.0))
  27. Asteroid belt 22018/01/09
    Is this what an asteroid belt would really look like? (Flickr: kristian fagerström (CC BY-SA 2.0))
  28. Asteroid belt 12018/01/02
    NASA has begun missions to near-Earth asteroids (Flickr: NASA Goddard Space Flight Centre (CC BY 2.0))
  29. Carrots & Night Vision2017/12/26
    Will these veggies really help you see better at night? (Flickr: swong95765 (CC BY 2.0))
  30. Mpemba effect2017/12/19
    Why would hot water freeze faster than cold water? (Flickr: Alfredo Ristol (CC BY 2.0))
  31. 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))
  32. Coffee naps2017/12/05
    Time for caffeine, or a nap? Why not both? (Flickr: TheNightRaven (CC BY-ND 2.0))
  33. 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))
  34. Mitochondria - Fiery Powerhouses2017/11/21
    Mitochondria are fiery factories in your body (Flickr.com Kenneth Lu (CC-BY-2.0))
  35. Why we tell lies2017/11/14
    Ask me no questions, and I'll tell you no lies. (Unsplash: Kristina Flour)
  36. Min Min lights2017/11/07
    Mysterious lights from unknown sources? (Flickr.com: Al Ibrahim (CC-BY-SA-2.0))
  37. Insectageddon2017/10/31
    Are flying insect numbers dropping? (Flickr.com: Niv Singer (CC-BY-SA-2.0))
  38. Killer cats2017/10/24
    Australian feral cats kill upwards of 300 million birds each year (Supplied: Hugh McGregor, Arid Recovery.)
  39. Why the sky is blue. For reals2017/10/17
    The Wiggles, the Flintstones and Raquel Welch all got it wrong. (Getty Images)
  40. The origin of spaghetti2017/10/10
    Mucho pasta or oodles of noodles? (Getty Images)
  41. Can we detect lies?2017/10/03
    How effective are lie detectors? (Getty Images)
  42. Four leaf clovers not so lucky2017/09/26
    Lucky? (Getty)
  43. Dissing the dishwasher2017/09/19
    They're less thirsty and power-hungry than human dish washers - and cleaner to boot. (Getty)
  44. Dinosaurs and cave people2017/09/12
    The Wiggles, the Flintstones and Raquel Welch all got it wrong. (Getty Images)
  45. Death by chocolate2017/09/05
    Death by chocolate really is a thing. (Getty Images)
  46. Tricks of the Menu Trade2017/08/29
    Vegetarians might be in the best position to escape the lure of the engineered menu.
  47. Life after decapitation2017/08/22
    Surprisingly, the brain can survive for a few seconds after decapitation. (LouismiX. Getty Images)
  48. SOFIA: Holy flying telescope - part 22017/08/15
    That's not a cargo door - it's a telescope! SOFIA in full flight. (NASA)
  49. Holy flying telescopes, part 12017/08/08
    An exit row like no other. SOFIA with telescope doors open. (NASA)
  50. Cane toads used for pregnancy test2017/08/01
    Honey, the cane toad didn't die
  51. 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.
  52. Bird brains - dense, not dumb2017/07/18
    Their brains are tiny, but like other parrots these rainbow lorikeets pack a surprising mental punch. (Imagevixen)
  53. Of mice, marijuana, memory and men2017/07/11
    (Getty Images)
  54. Origin of life2017/07/04
    Tubeworms related to this species are found in colonies around hydrothermal vents. (NOAA)
  55. Ocean ridge secrets2017/06/27
    World distribution of mid-oceanic ridges (US Geological Survey)
  56. Childhood amnesia2017/06/20
    It happened, but they probably won't remember it. (Getty Images: Westend61)
  57. 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))
  58. 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)
  59. Artificial uterus2017/05/30
    Artist's impression of artificial uterus with human foetus (Getty Images: Victor Habbick)
  60. 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)
  61. 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)
  62. Animal poo times2017/05/09
    Most mammals do take roughly the same time to poo - it's just not 12 seconds.
  63. Ponytail physics2017/05/02
    How did the orbit of the Moon affect our understanding of ponytails? (NASA: supplied)
  64. 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)
  65. Cannibalism2017/04/18
    Pork heart on a white plate with fork and knife (Getty Images: LemonSeed)
  66. Pregnancy while pregnant2017/04/11
    Superfetation is the phenomenon where offspring simultaneously develop in utero (Getty Images)
  67. 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)
  68. 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)
  69. 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)
  70. 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)
  71. Paying service to the human lip2017/03/07
    Our lips contain hundreds of muscles allowing them to perform complex actions (Getty Images)
  72. Is air conditioning sexist?2017/02/28
    A cold office experience is common for many women (Getty Images Composite)
  73. How humankind has changed our planet2017/02/21
    Women visiting Tiananmen Square wear masks to protect against pollution. (Kevin Frayer/Getty Images)
  74. 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)
  75. The power of lightning2017/02/07
    Lightning strikes Sydney Tower during a storm. (Rob Henderson/ Getty Images)
  76. 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)
  77. What if the Earth stopped spinning?2017/01/17
    A high-resolution image of Earth from space (NASA)
  78. The collective intelligence of animals2016/12/20
    Seagulls use collective intelligence to share food discoveries. (Meghan Turner / EyeEm / Getty)
  79. 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)
  80. 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)
  81. 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)
  82. That new book smell2016/11/22
    A book's smell comes from its paper, the ink and the glue used. (Carlo A/ Getty Images)
  83. 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))
  84. 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)
  85. 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)
  86. Overcoming chronic lateness2016/10/25
    Some people are crisis makers who like the thrill of being late. (Getty Images)
  87. Loud sounds can kill hard drives2016/10/18
    Loud noises can stop hard drives operating and even cause permanent failure. (Getty Images)
  88. 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)
  89. Wi-fi is watching us2016/10/04
    City dwellers bath in wifi (Linghe Zhao/ Getty Images)
  90. Why do mozzies love some people but not others?2016/09/27
    A mosquito gorged with human blood (Michael Pavlic/EyeEm/Getty)
  91. 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)
  92. Time travel is already possible2016/09/13
    The Hafele–Keating experiment showed that time slowed down with increased speed (Getty Images)
  93. How a chemical in sunscreen attacks coral2016/09/06
    A diver swims over damaged coral. (Getty Images)
  94. 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)
  95. 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)
  96. 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)
  97. Movie releases of a chemical kind2016/08/09
    Humans watching scary films share a flight or fight chemical reaction (Getty Images)
  98. Immortal jellyfish2016/08/02
    Turritopsis dohrnii is also known as the 'immortal jellyfish'. (Yiming Chen/ Getty Images)
  99. Double yolk eggs2016/07/26
    Don't buy a lottery ticket just yet. (Getty Images)
  100. 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)
  101. 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)
  102. Bitcoin and security2016/07/05
    Bitcoin grew out of disillusionment with 'conventional' finance. (Source: Science Picture Co/Getty Images)
  103. 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)
  104. Value of money is based on trust2016/06/21
    Stone money on Yap (Getty Images)
  105. Bitcoin: from the beginning2016/06/14
    Bitcoin grew out of disillusionment with 'conventional' finance. (Source: Science Picture Co/Getty Images)
  106. Can water burn leaves?2016/06/07
    Sam Mugraby (Photo8.com/Wikimedia Commons)
  107. How clean and green is our digital world?2016/05/31
    Behind the cloud is a bank of computers (Erik Isakson/Getty images)
  108. Zombies, pi and shotguns2016/05/24
    Zombies, pi and shotguns: have you worked out the connection? (Getty Images)
  109. Raw milk: separating facts from fads2016/05/17
    Raw milk is one of the best culture mediums for growing bacteria (Getty Images)
  110. 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)
  111. The time-travelling brain2016/05/03
  112. Why do people talk louder when they drink alcohol?2016/04/26
  113. Why did the US lose the height advantage?2016/04/19
  114. How many places of pi do we need?2016/04/12
  115. Can you make our heart stronger?2016/04/06
  116. How does the heart work?2016/03/29
  117. Anti-gravity dream may take off2016/03/22
  118. The physics of gravitational waves2016/03/08
  119. The awesome origins of gravitational waves2016/03/01
  120. Dragonfly telescope shines a light on dark matter2016/02/23
  121. Two big physics problems2016/02/16
  122. Traffic button pushes beautiful design2016/02/09
  123. The dark side of credit card theft2016/02/02
  124. Credit card theft: why is pays to be careful2016/01/27
  125. Ants use brains and brawn to share the load2015/12/15
  126. How are planets born?2015/12/08
  127. Fly eyes inspire solar panels2015/12/01
  128. Emoji lords to release 67 new symbols2015/11/24
  129. How do planes fly?2015/11/17
  130. How many cells in a person?2015/11/10
  131. The beautiful act of vomiting2015/11/03
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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