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Dr Karl's Great Moments in Science

  1. Barcode invention: part 22019/03/19
    When barcodes and scanners finally got together, the days of tap tap ker-ching were numbered. (Pixabay: Rose McAvoy)
  2. Barcode invention: part one 2019/03/12
    The original barcode was shaped like a bullseye, and couldn't be read for decades. (Pixabay)
  3. Holy Hole Phobia!2019/03/05
    If this lotus seed head gives you the creeps, you might have trypophobia - a fear of small holes. (Wikimedia: Peripatus)
  4. Seashell Ocean Sound2019/02/26
    Shells like this seem to hold the sound of the ocean (Pixabay)
  5. Brain freeze2019/02/19
    It's worth the brain freeze, right? (Unsplash: JC Bonassin)
  6. Dodging rocks2019/02/12
    Artist's impression of a near-Earth asteroid (Supplied: NASA/JPL-Caltech)
  7. Our planetary neighbourhood2019/02/05
    The three contenders for Earth's closest neighbour are the inner Solar System's rocky planets. (Pixabay: Comfreak)
  8. Left face attractiveness2019/01/29
    Is one side of your face more attractive than the other? (Pixabay)
  9. Mobile phones and empathy2019/01/22
    If you're heading out on a date, it might be best to put the phone away (Pixabay)
  10. Fast food and your brain2019/01/15
    Mmmmm hijacked brains... I mean, fast food chains! (Pixabay)
  11. Fork 'n' food2019/01/08
    Could a larger fork really help you eat smaller portions?
  12. Hiccups cure: part two2019/01/01
    Drinking water won't cure your hiccups, but Dr Karl has found a technique that will. (Pixabay)
  13. Hiccups cure: part one2018/12/25
    In 1988, a 27-year old man walked into an emergency department, because he'd been hiccupping for 72 hours straight. (Pixabay)
  14. Mass of a proton: part two2018/12/18
    How can 'quantum and relativity stuff' create mass? (Pixabay)
  15. Mass of a proton: part one2018/12/11
    Atoms have parts (neutrons and protons in the middle, with electrons further out) — but what are these subatomic parts made of? (Pixabay)
  16. Cube-shaped wombat poo2018/12/04
    These poor little fellas somehow squeeze out about 90 cuboid droppings each night (Pixabay)
  17. Do fish drink water?2018/11/27
    These Koi look a little thirsty (Pixabay)
  18. Black hole in the Milky Way: part two2018/11/20
    Right at the centre of this image is the supermassive black hole that sits in the middle of the Milky Way — astronomers have observed stars and gas clouds spinning around it. (NASA Goddard)
  19. Black hole in the Milky Way: part one2018/11/13
    There's a supermassive black hole at the centre of almost every galaxy, including this one (depicted in an illustration) at the centre of the ultradense galaxy M60-UCD1. (NASA Goddard)
  20. Geotagged photos2018/11/06
    How much data are you giving away with your selfies? (Pixabay)
  21. Measure Earth2018/10/30
    It might be easier to measure the Earth with a stick if you were floating in space (Pixabay)
  22. Cigarettes radioactive2018/10/23
    Tobacco contains small amounts of radioactive materials (Flickr: Tristan Schmurr (CC BY 2.0))
  23. Alkaline diets2018/10/16
    Lemons are said to be a core component of the 'alkaline diet' (Pixabay)
  24. Kiss the Sun: part two2018/10/09
    An illustration of the Parker Solar Probe as it approaches the Sun (NASA/Johns Hopkins APL/Steve Gribben)
  25. Kiss the Sun: part one2018/10/02
    A solar flare bursting from the Sun on August 31, 2012. It didn't reach Earth but it did affect the magnetosphere, causing auroras (NASA Goddard)
  26. How to snap spaghetti: part two2018/09/25
    Do you snap your spaghetti? (Unsplash: Justino Sanchez)
  27. How to snap spaghetti: part one2018/09/18
    Breaking spaghetti might seem silly, but understanding the physics of it is important for more than just engineering. (Pixabay)
  28. Snooping microphones in your home?2018/09/11
    Could the microphones in your home be snooping on you? (Unsplash: Matt Botsford)
  29. The faults in our bodies2018/09/04
    Our bodies do incredible things, but there's room for improvement (Unsplash: Mathew Schwartz)
  30. Mapping DNA to save lives2018/08/28
    Our understanding of DNA -- and how we can use it -- continues to develop (Pixabay.com: typographyimages)
  31. The loneliest ATM2018/08/21
    ATMs are ubiquitous -- there's even two in Antarctica (Pixabay.com: mrganso)
  32. Do ships have an effect on sea level?2018/08/14
    Do boats have an effect on sea level? (Unsplash: Matt Flores)
  33. Goldfish memory2018/08/07
    The much-maligned goldfish does appear to have quite a good memory (Pixabay: epicioci)
  34. Are vitamins always good for you?2018/07/31
    Are vitamins always good for you? (Flickr: Colin Dunn (CC BY 2.0))
  35. Wasted food2018/07/24
    Every year humans are throwing hundreds of millions of tonnes of food into the bin (Flickr: jbloom)
  36. Daddy long legs2018/07/17
    A vicious, poisonous, but harmless Daddy-long-legs... or is all that just a myth? (Flickr: Pete Birkinshaw)
  37. Anaesthetic bomb2018/07/10
    Could anaesthetic bombs really work? (Flickr: Andy Smith)
  38. Humans vs volcanoes2018/07/03
    A man takes on a volcano (with an umbrella and camera) (Flickr.com: Mark (eggrole) CC BY 2.0)
  39. 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)
  40. A1 vs A2 milk2018/06/19
    Udderly complicated: A1 vs A2 milk (Flickr: Zeyus Media CC BY 2.0)
  41. Cockroach milk2018/06/12
    Would you be interested in a side of... cockroach milk? (Flickr: VirtualWolf)
  42. Sightseeing from Orbit2018/06/05
    A spacewalk selfie from astronaut Ricky Arnold on May 16, 2018. (Ricky Arnold, NASA)
  43. 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)
  44. Gunpowder vs sandwich2018/05/22
    Have you ever wondered how much energy your ham and cheese sandwich holds? (Pixabay: Bhumann34)
  45. Why are whales so big?2018/05/15
    Being big, but not too big, allows whales to survive in the ocean. (Unsplash: Thomas Kelley)
  46. Trees have senses too2018/05/08
    Trees can detect light and pressure using chemicals in their leaves. (Unsplash: Kawin Harasai)
  47. 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)
  48. Trees are made from air2018/04/24
    Trees are made mostly from.... air!? (Flickr: Jennifer C. (CC BY 2.0))
  49. Coal's hidden health cost2018/04/17
    Coal-fired power stations emit pollutants including sulphur dioxide into the atmosphere. (Pixabay: stevepb)
  50. Speaking in tongues2018/04/10
    An Australian affected by Foreign Accent Syndrome might suddenly start speaking with an American accent. (Unsplash: Vladislav Klapin)
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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